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 A290790 #18 Feb 16 2025 08:33:50 %S A290790 1,6,32,590,21555,1598353,288676112,111452109386 %N A290790 Number of maximal irredundant sets in the n X n grid graph. %H A290790 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/GridGraph.html">Grid Graph</a> %H A290790 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MaximalIrredundantSet.html">Maximal Irredundant Set</a> %Y A290790 Main diagonal of A291439. %Y A290790 Cf. A286869, A290382, A291098. %K A290790 nonn,more %O A290790 1,2 %A A290790 _Eric W. Weisstein_, Aug 17 2017 %E A290790 a(5)-a(6) from _Andrew Howroyd_, Aug 23 2017 %E A290790 a(7)-a(8) from _Christian Sievers_, Nov 23 2023