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 A288956 #19 Feb 16 2025 08:33:48 %S A288956 1,4,8,79,544,8197,201611,6214593,391918650,32239887128,4599025630995, %T A288956 1018245217588836,346578151637999287,193445218205732588935, %U A288956 165199496607694525364163,226636538088997406396236072,488063150616514603623041818756,1655950305544572458601638523072809 %N A288956 Number of maximal independent vertex sets (and minimal vertex covers) in the n X n king graph. %H A288956 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/KingGraph.html">King Graph</a> %H A288956 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MaximalIndependentVertexSet.html">Maximal Independent Vertex Set</a> %H A288956 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MinimalVertexCover.html">Minimal Vertex Cover</a> %Y A288956 Main diagonal of A332347. %Y A288956 Cf. A197048 (grid graph), A063443 (independent sets), A193580, A133791 (dominating sets). %K A288956 nonn %O A288956 1,2 %A A288956 _Eric W. Weisstein_, Jun 20 2017 %E A288956 a(9)-a(18) from _Andrew Howroyd_, Jun 26 2017