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 A094605 #17 Apr 16 2025 05:26:26 %S A094605 1,2,2,4,8,8,16,32,32,64,64,64,64,64,64,128,256,256,256,256,256,256, %T A094605 256,256,512,1024,1024,2048,2048,4096,4096,4096,4096,4096,8192,8192, %U A094605 16384,32768,32768,65536,65536,131072,131072,262144,262144,262144,262144 %N A094605 a(n) is the period of the n-th diagonal, from the right, of Rule 30 (begun from an initial black cell). %C A094605 One 64 term is missing in Wolfram 2002 (p. 871). (There are six.) %D A094605 Stephen Wolfram, A New Kind of Science. Wolfram Media, 2002, p. 871. %H A094605 Eric Rowland, <a href="http://www.complex-systems.com/abstracts/v16_i03_a04.html">Local nested structure in rule 30</a>, Complex Systems 16 (2006) 239-258. %H A094605 Stephen Wolfram, <a href="http://www.wolframscience.com/nksonline/page-871">[Page 871] A New Kind of Science | Online</a>. %Y A094605 Cf. A094604, A094606, A364773. %K A094605 nonn %O A094605 1,2 %A A094605 _Eric Rowland_, May 13 2004