%I #6 Dec 15 2017 17:36:09
%S 1,5,25,53,370
%N Numbers n such that A078568(n) is prime.
%C Some of the larger entries may only correspond to probable primes.
%Y Cf. A002275, A000422, A078568.
%K more,nonn
%O 1,2
%A _Jason Earls_, Nov 29 2002