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 A362517 #9 Feb 16 2025 08:34:05 %S A362517 0,2,293,54029,31252554,66987393994,558077003446645, %T A362517 18395727255104656873,2415871083397827261386598, %U A362517 1267366225909683571167215895590,2658305260824415112030141755123193237,22300450681634123362049304128770788322086749,748286719216207999401963616395813243234643176461730 %N A362517 Number of vertex cuts in the n X n grid graph. %H A362517 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/GridGraph.html">Grid Graph</a> %H A362517 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/VertexCut.html">Vertex Cut</a> %F A362517 a(n) = 2^(n^2) - 1 - A059525(n). - _Pontus von Brömssen_, Apr 23 2023 %Y A362517 Cf. A059525. %K A362517 nonn %O A362517 1,2 %A A362517 _Eric W. Weisstein_, Apr 23 2023 %E A362517 More terms (based on data in A059525) from _Pontus von Brömssen_, Apr 23 2023