A140171 - OEIS

%I #2 Mar 30 2012 17:37:44

%S 18303877,91744613

%N Numbers n such that n=prime(prime(d_1!+d_2!+...+d_k!)) where d_1d_2...d_k is the decimal expansion of n.

%e prime(prime(9!+1!+7!+4!+4!+6!+1!+3!))=91744613.

%Y Cf. A140172.

%K base,fini,full,nonn,bref

%O 1,1

%A _Farideh Firoozbakht_, May 14 2008