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 A333137 #14 Jun 07 2020 10:40:37 %S A333137 500,10883,27220,61570,98657,208739,353922,533442,507744,1100007, %T A333137 1146403,1771007,2168628,2002321,2719907,2413390,3787444,6140737, %U A333137 6238486,8906032,9394871,9495582,11939407,14063303 %N A333137 The number of edges formed on a triangle with leg lengths equal to the Pythagorean triples by the straight line segments mutually connecting all vertices and all points that divide the sides into unit length parts. %C A333137 See A332978 for the Pythagorean triple ordering and the links for images of the triangles. %Y A333137 Cf. A332978 (regions), A333135 (n-gons), A333136 (vertices), A103605 (Pythagorean triple ordering), A274586 , A332600, A331765. %K A333137 nonn,more %O A333137 1,1 %A A333137 _Scott R. Shannon_ and _N. J. A. Sloane_, Mar 09 2020 %E A333137 a(8)-a(24) from _Lars Blomberg_, Jun 07 2020