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 A335771 #12 Mar 24 2022 16:32:58 %S A335771 8,16,48,192,648,136,1240,1200,1488,2048,3240,1688,4472,4352,4928, %T A335771 5936,7864,4592,9624,9552,10384,11728,14440,10760,16616,16720,17856, %U A335771 19504,23032,18264,25704,25920,27232,29376,33624,26672,36840,36976,38656,41152,46152 %N A335771 a(n) is the number of edges formed by n-secting the angles of an octagon. %C A335771 See A335769 for illustrations. %H A335771 Lars Blomberg, <a href="/A335771/b335771.txt">Table of n, a(n) for n = 1..200</a> %Y A335771 Cf. A333110 (n-sected sides, not angles), A335769 (regions), A335770 (vertices), A335772 (ngons). %K A335771 nonn %O A335771 1,1 %A A335771 _Lars Blomberg_, Jun 23 2020