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 A030393 #6 Mar 30 2012 18:56:18 %S A030393 1,3,1,1,1,1,2,1,1,1,5,2,2,2,1,1,1,2,1,1,1,1,1,2,1,1,1,1,1,1,2,1,1,1, %T A030393 1,2,1,1,1,1,3,1,1,1,1,1,2,1,1,1,2,1,1,1,3,2,2,2,7,3,3,3,2,2,2,3,2,2, %U A030393 2,2,1,1,1,1,3,1,1,1,1,1,2,1,1,1,2,1,1,1,2,1 %N A030393 Length of n-th run of digit 1 in A030386. %K A030393 nonn,base %O A030393 1,2 %A A030393 _Clark Kimberling_