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 A030368 #6 Mar 30 2012 18:56:18 %S A030368 1,1,1,2,2,2,2,1,1,1,1,1,1,3,1,4,1,2,2,1,2,2,1,1,1,1,2,2,2,1,1,1,1,1, %T A030368 1,1,1,2,3,1,1,2,4,1,1,1,2,1,1,1,1,3,2,1,2,2,2,3,2,1,3,1,1,4,2,1,1,2, %U A030368 3,1,1,1,3,1,2,3,1,2,1,1,2,2,1,1,1,1,1,2,1,2 %N A030368 Length of n-th run of digit 0 in A030363. %K A030368 nonn,base %O A030368 1,4 %A A030368 _Clark Kimberling_