| .. |
|
001 Multiples of 3 and 5 -- v2.sf
|
86db068014
Update.
|
2 years ago |
|
001 Multiples of 3 and 5.sf
|
86db068014
Update.
|
2 years ago |
|
002 Even Fibonacci numbers.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
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003 Largest prime factor.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
004 Largest palindrome product.sf
|
02a9baad14
Update.
|
2 years ago |
|
005 Smallest multiple -- v2.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
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005 Smallest multiple.sf
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56eab58bae
Grouped files by programming language.
|
4 years ago |
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006 Sum square difference -- v2.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
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006 Sum square difference.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
007 10001st prime -- v2.sf
|
075ac8bffd
Update.
|
1 year ago |
|
007 10001st prime -- v3.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
007 10001st prime.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
008 Largest product in a series.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
009 Special Pythagorean triplet -- v2.sf
|
075ac8bffd
Update.
|
1 year ago |
|
009 Special Pythagorean triplet.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
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010 Summation of primes -- v2.sf
|
9ac7bee56f
Update.
|
1 year ago |
|
010 Summation of primes.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
011 Largest product in a grid -- v2.sf
|
02a9baad14
Update.
|
2 years ago |
|
011 Largest product in a grid.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
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012 Highly divisible triangular number -- v2.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
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012 Highly divisible triangular number.sf
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56eab58bae
Grouped files by programming language.
|
4 years ago |
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013 Large sum -- v2.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
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013 Large sum.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
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014 Longest Collatz sequence.sf
|
67aa8fd38c
Update.
|
1 year ago |
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015 Lattice paths.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
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016 Power digit sum.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
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017 Number letter counts.sf
|
67aa8fd38c
Update.
|
1 year ago |
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018 Maximum path sum I.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
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019 Counting Sundays.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
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020 Factorial digit sum.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
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021 Amicable numbers -- v2.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
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021 Amicable numbers.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
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022 Names scores.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
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023 Non-abundant sums.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
024 Lexicographic permutations -- v2.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
024 Lexicographic permutations.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
025 1000-digit Fibonacci number -- v2.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
025 1000-digit Fibonacci number -- v3.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
025 1000-digit Fibonacci number.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
026 Reciprocal cycles.sf
|
0e94dbd9c2
Some updates and improvements.
|
2 years ago |
|
027 Quadratic primes.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
028 Number spiral diagonals.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
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029 Distinct powers.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
030 Digit fifth powers.sf
|
6f0e7f69a0
Several reimplementations.
|
1 year ago |
|
031 Coin sums.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
032 Pandigital products.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
033 Digit cancelling fractions.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
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034 Digit factorials.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
035 Circular primes -- v2.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
035 Circular primes.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
036 Double-base palindromes -- v2.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
036 Double-base palindromes -- v3.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
036 Double-base palindromes -- v4.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
036 Double-base palindromes.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
037 Truncatable primes.sf
|
075ac8bffd
Update.
|
1 year ago |
|
038 Pandigital multiples.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
039 Integer right triangles.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
040 Champernowne s constant -- v2.sf
|
2af6f085d8
Make filenames FAT-32 safe.
|
3 years ago |
|
040 Champernowne s constant.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
041 Pandigital prime.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
042 Coded triangle numbers.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
044 Pentagon numbers.sf
|
6f0e7f69a0
Several reimplementations.
|
1 year ago |
|
045 Triangular pentagonal and hexagonal -- v2.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
045 Triangular pentagonal and hexagonal.sf
|
2af6f085d8
Make filenames FAT-32 safe.
|
3 years ago |
|
046 Goldbach s other conjecture.sf
|
0e94dbd9c2
Some updates and improvements.
|
2 years ago |
|
047 Distinct primes factors -- v2.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
047 Distinct primes factors.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
048 Self powers.sf
|
0e94dbd9c2
Some updates and improvements.
|
2 years ago |
|
049 Prime permutations.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
050 Consecutive prime sum -- v2.sf
|
0e94dbd9c2
Some updates and improvements.
|
2 years ago |
|
050 Consecutive prime sum.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
051 Prime digit replacements.sf
|
6f0e7f69a0
Several reimplementations.
|
1 year ago |
|
052 Permuted multiples -- v2.sf
|
dd63327240
Update.
|
1 year ago |
|
052 Permuted multiples.sf
|
dd63327240
Update.
|
1 year ago |
|
053 Combinatoric selections.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
055 Lychrel numbers.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
056 Powerful digit sum.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
057 Square root convergents.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
058 Spiral primes.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
059 XOR decryption.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
060 Prime pair sets.sf
|
6f0e7f69a0
Several reimplementations.
|
1 year ago |
|
061 Cyclical figurate numbers.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
062 Cubic permutations.sf
|
6f0e7f69a0
Several reimplementations.
|
1 year ago |
|
063 Powerful digit counts.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
064 Odd period square roots.sf
|
6fedb94765
Update.
|
4 months ago |
|
065 Convergents of e.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
066 Diophantine equation.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
067 Maximum path sum II.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
068 Magic 5-gon ring.sf
|
e2abbaa83c
Several reimplementations.
|
1 year ago |
|
069 Totient maximum.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
070 Totient permutation -- v2.sf
|
e2abbaa83c
Several reimplementations.
|
1 year ago |
|
070 Totient permutation.sf
|
e2abbaa83c
Several reimplementations.
|
1 year ago |
|
071 Ordered fractions.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
072 Counting fractions -- v2.sf
|
0e94dbd9c2
Some updates and improvements.
|
2 years ago |
|
072 Counting fractions.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
073 Counting fractions in a range.sf
|
e2abbaa83c
Several reimplementations.
|
1 year ago |
|
075 Singular integer right triangles -- v2.sf
|
e2abbaa83c
Several reimplementations.
|
1 year ago |
|
075 Singular integer right triangles.sf
|
e2abbaa83c
Several reimplementations.
|
1 year ago |
|
076 Counting summations.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
077 Prime summations.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
079 Passcode derivation -- v2.sf
|
65a24cc477
renamed: Perl/79 Passcode derivation.pl -> Perl/079 Passcode derivation.pl
|
2 years ago |
|
079 Passcode derivation.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
080 Square root digital expansion.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
081 Path sum two ways.sf
|
2af6f085d8
Make filenames FAT-32 safe.
|
3 years ago |
|
082 Path sum three ways.sf
|
2af6f085d8
Make filenames FAT-32 safe.
|
3 years ago |
|
085 Counting rectangles.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
087 Prime power triples.sf
|
e2abbaa83c
Several reimplementations.
|
1 year ago |
|
089 Roman numerals.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
094 Almost equilateral triangles.sf
|
e2abbaa83c
Several reimplementations.
|
1 year ago |
|
095 Amicable chains.sf
|
e2abbaa83c
Several reimplementations.
|
1 year ago |
|
096 Su Doku.sf
|
dff4ea2186
Update.
|
2 months ago |
|
097 Large non-Mersenne prime.sf
|
749d56129b
Update.
|
2 years ago |
|
099 Largest exponential.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
100 Arranged probability -- v2.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
100 Arranged probability -- v3.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
100 Arranged probability.sf
|
0e94dbd9c2
Some updates and improvements.
|
2 years ago |
|
104 Pandigital Fibonacci ends.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
108 Diophantine reciprocals I -- v2.sf
|
fa1026ac0c
modified: Perl/108 Diophantine reciprocals I.pl
|
3 years ago |
|
108 Diophantine reciprocals I.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
110 Diophantine reciprocals II.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
111 Primes with runs.sf
|
d43351ca2e
new file: Sidef/111 Primes with runs.sf
|
6 months ago |
|
112 Bouncy numbers.sf
|
075ac8bffd
Update.
|
1 year ago |
|
119 Digit power sum.sf
|
d43351ca2e
new file: Sidef/111 Primes with runs.sf
|
6 months ago |
|
120 Square remainders.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
123 Prime square remainders.sf
|
d43351ca2e
new file: Sidef/111 Primes with runs.sf
|
6 months ago |
|
124 Ordered radicals.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
125 Palindromic sums.sf
|
075ac8bffd
Update.
|
1 year ago |
|
129 Repunit divisibility.sf
|
075ac8bffd
Update.
|
1 year ago |
|
130 Composites with prime repunit property -- v2.sf
|
075ac8bffd
Update.
|
1 year ago |
|
130 Composites with prime repunit property.sf
|
075ac8bffd
Update.
|
1 year ago |
|
131 Prime cube partnership.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
132 Large repunit factors.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
133 Repunit nonfactors.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
134 Prime pair connection.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
137 Fibonacci golden nuggets.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
138 Special isosceles triangles.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
140 Modified Fibonacci golden nuggets -- v2.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
140 Modified Fibonacci golden nuggets.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
142 Perfect Square Collection.sf
|
3eb73f9400
new file: Sidef/751 Concatenation Coincidence.sf
|
2 years ago |
|
169 Exploring the number of different ways a number can be expressed as a sum of powers of 2 -- v2.sf
|
86db068014
Update.
|
2 years ago |
|
169 Exploring the number of different ways a number can be expressed as a sum of powers of 2.sf
|
86db068014
Update.
|
2 years ago |
|
173 Using up to one million tiles how many different hollow square laminae can be formed.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
174 Counting the number of hollow square laminae that can form one two three distinct arrangements.sf
|
d43351ca2e
new file: Sidef/111 Primes with runs.sf
|
6 months ago |
|
182 RSA encryption.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
183 Maximum product of parts.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
187 Semiprimes.sf
|
d43351ca2e
new file: Sidef/111 Primes with runs.sf
|
6 months ago |
|
188 The hyperexponentiation of a number.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
191 Prize Strings.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
193 Squarefree Numbers.sf
|
075ac8bffd
Update.
|
1 year ago |
|
197 Investigating the behaviour of a recursively defined sequence.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
203 Squarefree Binomial Coefficients.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
204 Generalised Hamming Numbers.sf
|
0e94dbd9c2
Some updates and improvements.
|
2 years ago |
|
206 Concealed Square.sf
|
d43351ca2e
new file: Sidef/111 Primes with runs.sf
|
6 months ago |
|
231 The prime factorisation of binomial coefficients.sf
|
d43351ca2e
new file: Sidef/111 Primes with runs.sf
|
6 months ago |
|
235 An Arithmetic Geometric sequence.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
248 Numbers for which Euler s totient function equals 13.sf
|
b5420806c3
new file: Perl/816 Shortest distance among points.pl
|
6 months ago |
|
271 Modular Cubes part 1.sf
|
d43351ca2e
new file: Sidef/111 Primes with runs.sf
|
6 months ago |
|
277 A Modified Collatz sequence.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
293 Pseudo-Fortunate Numbers.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
345 Matrix Sum.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
346 Strong Repunits.sf
|
d43351ca2e
new file: Sidef/111 Primes with runs.sf
|
6 months ago |
|
381 prime-k factorial.sf
|
d43351ca2e
new file: Sidef/111 Primes with runs.sf
|
6 months ago |
|
387 Harshad Numbers.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
435 Polynomials of Fibonacci numbers.sf
|
c9c948b4be
Update.
|
11 months ago |
|
443 GCD sequence.sf
|
d43351ca2e
new file: Sidef/111 Primes with runs.sf
|
6 months ago |
|
463 A weird recurrence relation.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
479 Roots on the Rise.sf
|
075ac8bffd
Update.
|
1 year ago |
|
500 Problem 500.sf
|
d43351ca2e
new file: Sidef/111 Primes with runs.sf
|
6 months ago |
|
518 Prime Triples and Geometric Sequences.sf
|
19530316a0
Update.
|
8 months ago |
|
521 Smallest prime factor.sf
|
19530316a0
Update.
|
8 months ago |
|
581 47-smooth triangular numbers.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
601 Divisibility streaks.sf
|
67aa8fd38c
Update.
|
1 year ago |
|
622 Riffle Shuffles.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
634 Numbers of the form a^2b^3.sf
|
075ac8bffd
Update.
|
1 year ago |
|
642 Sum of largest prime factors.sf
|
d43351ca2e
new file: Sidef/111 Primes with runs.sf
|
6 months ago |
|
668 Square root smooth numbers.sf
|
19530316a0
Update.
|
8 months ago |
|
684 Inverse Digit Sum -- v2.sf
|
4f1fffdea0
new file: Perl/745 Sum of Squares.pl
|
3 years ago |
|
684 Inverse Digit Sum.sf
|
c790c47639
Metadata updates.
|
4 years ago |
|
686 Powers of Two -- v2.sf
|
67b29431f6
new file: Sidef/686 Powers of Two -- v2.sf
|
4 years ago |
|
686 Powers of Two.sf
|
56eab58bae
Grouped files by programming language.
|
4 years ago |
|
688 Piles of Plates.sf
|
dd63327240
Update.
|
1 year ago |
|
694 Cube-full Divisors.sf
|
10cd2aefc9
modified: Perl/179 Consecutive positive divisors.pl
|
4 years ago |
|
700 Eulercoin.sf
|
10cd2aefc9
modified: Perl/179 Consecutive positive divisors.pl
|
4 years ago |
|
704 Factors of Two in Binomial Coefficients.sf
|
e250b010cb
new file: Perl/704 Factors of Two in Binomial Coefficients.pl
|
4 years ago |
|
708 Twos are all you need -- v2.sf
|
d43351ca2e
new file: Sidef/111 Primes with runs.sf
|
6 months ago |
|
708 Twos are all you need.sf
|
195af07122
modified: Sidef/708 Twos are all you need.sf
|
2 years ago |
|
745 Sum of Squares -- v2.sf
|
075ac8bffd
Update.
|
1 year ago |
|
745 Sum of Squares.sf
|
075ac8bffd
Update.
|
1 year ago |
|
748 Upside down Diophantine equation.sf
|
bf0ce9216d
new file: Perl/745 Sum of Squares -- v2.pl
|
3 years ago |
|
751 Concatenation Coincidence.sf
|
a2c6bb50fd
new file: Perl/79 Passcode derivation.pl
|
2 years ago |
|
752 Powers of 1 + sqrt(7).sf
|
fa1026ac0c
modified: Perl/108 Diophantine reciprocals I.pl
|
3 years ago |
|
784 Reciprocal Pairs.sf
|
749d56129b
Update.
|
2 years ago |
|
800 Hybrid Integers.sf
|
1765066f05
new file: Perl/800 Hybrid Integers.pl
|
1 year ago |
|
808 Reversible prime squares.sf
|
075ac8bffd
Update.
|
1 year ago |
|
816 Shortest distance among points.sf
|
b5420806c3
new file: Perl/816 Shortest distance among points.pl
|
6 months ago |
|
836 A Bold Proposition.sf
|
19530316a0
Update.
|
8 months ago |
|
853 Pisano Periods 1.sf
|
6fedb94765
Update.
|
4 months ago |
