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 A291103 #8 Feb 16 2025 08:33:50 %S A291103 1,4,29,250,3325,64148,1408654,40686260 %N A291103 Number of maximal irredundant sets in the n X n queen graph. %H A291103 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MaximalIrredundantSet.html">Maximal Irredundant Set</a> %H A291103 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/QueenGraph.html">Queen Graph</a> %Y A291103 Cf. A286883, A290711. %K A291103 nonn,more %O A291103 1,2 %A A291103 _Eric W. Weisstein_, Aug 17 2017 %E A291103 a(5)-a(8) from _Andrew Howroyd_, Jan 14 2018