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 A362511 #10 Feb 16 2025 08:34:05 %S A362511 0,0,0,4,92,2352,78356,3517880,252618880,41306486504,16825895352172, %T A362511 11961395191780756,12807426535283959680,21661306839167581507840, %U A362511 64202942607525533084738044,369420376954069022684270628192,4240620859184086817492965752551468,89842928236108967759116580894597660652 %N A362511 Number of odd chordless cycles of length > 4 in the n X n king graph. %H A362511 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/KingGraph.html">King Graph</a> %H A362511 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/OddChordlessCycle.html">Odd Chordless Cycle</a> %Y A362511 Cf. A361171. %K A362511 nonn %O A362511 1,4 %A A362511 _Eric W. Weisstein_, Apr 23 2023 %E A362511 a(9)-a(18) from _Andrew Howroyd_, Apr 23 2023