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 A226482 #5 Feb 16 2025 08:33:19 %S A226482 1,1,3,3,5,5,7,5,7,9,11,11,13,13,15,13,13,15,19,17,17,21,27,23,21,23, %T A226482 29,31,27,29,33,27,29,33,39,35,35,35,41,41,33,37,41,39,45,43,45,43,45, %U A226482 41,53,59,51,53,57,57,55,55,65,61,59,61,71,63,55,57,65 %N A226482 Number of runs of consecutive ones and zeros in successive states of cellular automaton generated by "Rule 30". %C A226482 Row lengths in table A226481. %H A226482 Reinhard Zumkeller, <a href="/A226482/b226482.txt">Table of n, a(n) for n = 0..10000</a> %H A226482 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Rule30.html">Rule 30</a> %o A226482 (Haskell) %o A226482 a226482 = length . a226481_row %K A226482 nonn %O A226482 0,3 %A A226482 _Reinhard Zumkeller_, Jun 09 2013