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 A332429 #16 May 16 2020 08:57:20 %S A332429 288,5148,33291,108252,283464,591723,1133928,1941786,3166605,4837824, %T A332429 7170120,10164258,14124447,19017180,25206777,32659191,41826366, %U A332429 52595622,65549880,80507142,98143200,118271898,141655707 %N A332429 The number of edges on a nonagon formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts. %C A332429 See the links in A332421 for images of the nonagons. %Y A332429 Cf. A332421 (regions), A332427 (n-gons), A332428 (vertices), A330845, A274586, A332600, A331765. %K A332429 nonn,more %O A332429 1,1 %A A332429 _Scott R. Shannon_ and _N. J. A. Sloane_, Mar 09 2020 %E A332429 a(6)-a(23) from _Lars Blomberg_, May 16 2020