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 A110546 #9 Sep 05 2024 21:36:59 %S A110546 60,90,108,120,135,140,144,150,156,160,162,165,168,170,171,172,174, %T A110546 175,176,177,178,179 %N A110546 In degrees, values of interior angles of regular polygons whose angles are integers. %C A110546 The number of sides for which the interior angles in degrees are integers is given by A018412 (except the first two terms). %C A110546 Integers of the form (k-2)*180/k where k >= 3. - _Jason Yuen_, Sep 05 2024 %F A110546 a(n) = (A018412(n+2)-2)*180/A018412(n+2). - _Jason Yuen_, Sep 05 2024 %e A110546 a(3)=108, i.e., the value (in degrees) of the interior angles of the third polygon whose angles are integers (the pentagon). %Y A110546 Cf. A069976, A100659, A018412. %K A110546 easy,fini,full,nonn %O A110546 1,1 %A A110546 _Alexandre Wajnberg_, Sep 11 2005