%I #8 Dec 15 2017 17:36:55
%S 1,3,6,14,20,21,26,34,37,39,40,47,51,54,61,62,72,74,77,82,83,86,113,
%T 115,118,127,139,179
%N Numbers n such that (10's complement factorial of n) + 1 is semiprime.
%o (PARI) comp(n)=10^#Str(n)-n
%o is(n)=bigomega(prod(k=1,n,comp(k))+1)==2 \\ _Charles R Greathouse IV_, Jul 10 2011
%Y Cf. A110396, A109616.
%K nonn,base
%O 1,2
%A _Jason Earls_, Aug 12 2005
%E More terms from _Sean A. Irvine_, Jul 10 2011