%I #38 Feb 23 2017 22:32:30
%S 1,5,10,23,30,267
%N Integers n such that A157752 (n) are primes.
%C For n=9,13,17,18,20,22,41,..., A157752(n) is a semiprime (Cf. A280001).
%Y Cf. A157752, A280001.
%K nonn
%O 1,2
%A _Zak Seidov_, Feb 21 2017
