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 A139412 #2 Mar 30 2012 17:37:44 %S A139412 231,34386,3775375 %N A139412 Numbers n such that phi(n)=10^phi(d_1)+10^phi(d_2)+...+10^phi(d_k) where d_1d_2...d_k is the decimal expansion of n. %e A139412 phi(3775375)=10^phi(3)+10^phi(7)+10^phi(7)+10^phi(5)+10^phi(3)+ %e A139412 10^phi(7)+10^phi(5). %Y A139412 Cf. A139411, A139413. %K A139412 base,nonn,bref %O A139412 1,1 %A A139412 _Farideh Firoozbakht_, May 11 2008