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 A272477 #7 Jul 07 2016 04:10:37 %S A272477 1,2,3,4,5,6,7,8,9,10,11,12,13,15,16,17,18,19,20,21,23,24,25,27,29,31, %T A272477 32,33,34,35,36,37,39,40,41,43,45,47,48,49,51,53,55,57,59,61,63,64,65, %U A272477 66,67,68,69,71,72,73,75,77,79,80,81,83,85,87,89,91 %N A272477 Numbers n that are coprime to the numerator of zeta(2*n)/(Pi^(2*n)). %C A272477 Complement of A266214. %H A272477 Vincenzo Librandi, <a href="/A272477/b272477.txt">Table of n, a(n) for n = 1..1000</a> %t A272477 Select[Range@200, CoprimeQ[#, Numerator[Zeta[2 #]/Pi^(2 #)]] &] %Y A272477 Cf. A266214. %K A272477 nonn,easy %O A272477 1,2 %A A272477 _Vincenzo Librandi_, May 03 2016