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 A025503 #35 Nov 03 2023 23:32:33 %S A025503 3,12,93,378,471,6352,6969,7176,7269,7566,7971,20338,20371,21982, %T A025503 22009,25638,25665,25692,27969,39184,39211,42398,43129,43150,48637, %U A025503 48730,48757,49014,49041,49068,49095,49864,50081,50090,50387,50414,50959,51344,52243 %N A025503 Least k such that the first k terms of the Kolakoski sequence (A000002) contain n more 2's than 1's. %H A025503 A.H.M. Smeets, <a href="/A025503/b025503.txt">Table of n, a(n) for n = 1..7902</a> %Y A025503 Cf. A000002, A022327 (more 1's than 2's). %K A025503 nonn %O A025503 1,1 %A A025503 _David W. Wilson_