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 A030556 #9 Jul 22 2025 17:29:32 %S A030556 1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1, %T A030556 1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1 %N A030556 run length of n-th run of digit 0 in A030548. %H A030556 R. J. Mathar, <a href="/A030556/b030556.txt">Table of n, a(n) for n = 1..803</a> %K A030556 nonn,base %O A030556 1,6 %A A030556 _Clark Kimberling_