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 A030575 #15 Jul 23 2025 05:19:41 %S A030575 1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1, %T A030575 1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,3,2,2,2,2,2,1, %U A030575 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1 %N A030575 Run length of n-th run of digit 0 in A030567. %C A030575 Differs from A030556 whenever a base 6 sequence of a number is inserted which has a non-palindromic sequence of run-lengths of 0. Happens first scanning 10010_6 = 1302_10 which is inserted in A030567 as 01001 (run lengths 1,2) but in A030548 as 10010 (run lengths 2,1). - _R. J. Mathar_, Jul 23 2025 and _Andrei Zabolotskii_ %H A030575 R. J. Mathar, <a href="/A030575/b030575.txt">Table of n, a(n) for n = 1..805</a> %K A030575 nonn,base %O A030575 1,7 %A A030575 _Clark Kimberling_ %E A030575 Initial 1 inserted for consistency with change in A030567 and more terms from _Sean A. Irvine_, Apr 03 2020