This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A140171 #2 Mar 30 2012 17:37:44 %S A140171 18303877,91744613 %N A140171 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 A140171 prime(prime(9!+1!+7!+4!+4!+6!+1!+3!))=91744613. %Y A140171 Cf. A140172. %K A140171 base,fini,full,nonn,bref %O A140171 1,1 %A A140171 _Farideh Firoozbakht_, May 14 2008