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 A291061 #9 Feb 16 2025 08:33:50 %S A291061 1,2,5,19,96,483,3625,23397,222454,1851965 %N A291061 Number of maximal irredundant sets in the n X n black bishop graph. %H A291061 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/BlackBishopGraph.html">Black Bishop Graph</a> %H A291061 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MaximalIrredundantSet.html">Maximal Irredundant Set</a> %Y A291061 Cf. A291060, A291106, A290714. %K A291061 nonn,more %O A291061 1,2 %A A291061 _Eric W. Weisstein_, Aug 17 2017 %E A291061 a(7)-a(10) from _Andrew Howroyd_, Aug 19 2017