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 A335802 #5 Jun 25 2020 06:27:02 %S A335802 10,20,310,80,950,810,1970,390,3130,2980,4750,3300,6730,6450,9190, %T A335802 4650,11570,11200,14450,12040,17810,17350,21650,12370,25190,24660, %U A335802 29450,25940,34210,33510,39450,29090,43890,43540,49810,45080,55830,54950,62430,49210,67610 %N A335802 a(n) is the number of edges formed by n-secting the angles of a decagon. %Y A335802 Cf. A332419 (n-sected sides, not angles), A335800 (regions), A335801 (vertices), A335803 (ngons). %K A335802 nonn %O A335802 1,1 %A A335802 _Lars Blomberg_, Jun 25 2020