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 A122230 #2 Mar 31 2012 13:21:11 %S A122230 0,10,1100,111000,11100100,1110011000,111001100100,11100110011000, %T A122230 1110011001100100,111001100110011000,11100110011001100100, %U A122230 1110011001100110011000,111001100110011001100100 %N A122230 a(n) = A007088(A122229(n)). %Y A122230 Cf. A080070, A122233, A122236, A122240, A122243, A122246. %K A122230 nonn,base %O A122230 0,2 %A A122230 _Antti Karttunen_, Sep 14 2006