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 A335555 #8 Jun 20 2020 13:44:59 %S A335555 5,20,20,105,265,160,555,575,650,965,1415,1085,1965,2050,2170,2680, %T A335555 3445,2410,4275,4370,4620,5315,6355,5605,7495,7625,7910,8870,10175, %U A335555 9125,11645,11740,12120,13290,14905,12960,16575,16815,17240,18565,20535,19025,22485 %N A335555 a(n) is the number of edges formed by n-secting the angles of a pentagon. %C A335555 See A335553 for illustrations. %H A335555 Lars Blomberg, <a href="/A335555/b335555.txt">Table of n, a(n) for n = 1..200</a> %Y A335555 Cf. A329710 (n-sected sides, not angles), A335553 (regions), A335554 (vertices), A335556 (ngons). %K A335555 nonn %O A335555 1,1 %A A335555 _Lars Blomberg_, Jun 20 2020