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 A122233 #2 Mar 31 2012 13:21:11 %S A122233 101010,11010100,1111100000,111100100100,11110001011000, %T A122233 1111110010000100,111101100010011000,11110001101100100100, %U A122233 1111101011000110000100,111101100110001100010100 %N A122233 a(n) = A007088(A122232(n)). %Y A122233 Cf. A080070, A122230, A122236, A122240, A122243, A122246. %K A122233 nonn,base %O A122233 1,1 %A A122233 _Antti Karttunen_, Sep 14 2006