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 A300554 #10 Feb 16 2025 08:33:53 %S A300554 0,0,35,91,98,272,279,530,561,1440,1079,1904,1890,3360,3128,6066,4579, %T A300554 7580,6993,10648,10212,18696,13875,19968,18981,26936,25056,47130, %U A300554 32953,44864,41184,55386,52500,74808,63714,86564,84045,105840,102049,149982,119196 %N A300554 Number of 6-cycles in the n-polygon diagonal intersection graph. %H A300554 Andrew Howroyd, <a href="/A300554/b300554.txt">Table of n, a(n) for n = 3..100</a> %H A300554 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/PolygonDiagonalIntersectionGraph.html">Polygon Diagonal Intersection Graph</a> %H A300554 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/GraphCycle.html">Graph Cycle</a> %Y A300554 Cf. A062361 (3-cycles), A300552 (4-cycles), A300553 (5-cycles). %K A300554 nonn %O A300554 3,3 %A A300554 _Eric W. Weisstein_, Mar 08 2018 %E A300554 Terms a(21) and beyond from _Andrew Howroyd_, Mar 11 2018