Least number k such that the concatenation of k composites from composite(n) is prime
trizen91c27fa2a3new file: oeis-research/Thomas Ordowski/a(n) is the smallest number k with n prime factors such that p + div(k,p) is prime for every prime p | k/prog.pl
91c27fa2a3
new file: oeis-research/Thomas Ordowski/a(n) is the smallest number k with n prime factors such that p + div(k,p) is prime for every prime p | k/prog.pl
trizen
91c27fa2a3
new file: oeis-research/Thomas Ordowski/a(n) is the smallest number k with n prime factors such that p + div(k,p) is prime for every prime p | k/prog.pl