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 A030606 #4 Mar 30 2012 18:56:19 %S A030606 1,5,8,13,15,22,26,38,39,42,43,49,54,55,58,65,75,82,88,95,97,98,103, %T A030606 107,111,125,134,135,136,148,156,159,161,171,184,187,193,201,203,212, %U A030606 218,220,233,239,245,246,247,251,257,284,285,288 %N A030606 Position of n-th 1 in A030604. %K A030606 nonn %O A030606 1,2 %A A030606 _Clark Kimberling_