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 A198516 #9 Aug 13 2020 14:02:28 %S A198516 1,2,3,6,6,8,9,10,14,17,17,20 %N A198516 Largest lifetime of any configuration starting from n cells which are bishop-connected for the cell automaton defined in A198514. %H A198516 Erich Friedman, <a href="https://erich-friedman.github.io/mathmagic/0902.html">Problem of the month September 2002</a> %Y A198516 Cf. A198514, A198515. %K A198516 nonn,more %O A198516 1,2 %A A198516 _Kausthub Gudipati_, Oct 26 2011