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 A100055 #6 Feb 16 2025 08:32:55 %S A100055 0,2,4,6,8,16,32,43,46,64,128,256,512,1024,2048,4096,8192 %N A100055 Where records occur in A100053. %H A100055 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Rule30.html">Rule 30</a> %Y A100055 Cf. A100053, A100054. %K A100055 nonn,more %O A100055 0,2 %A A100055 _Eric W. Weisstein_, Nov 01 2004