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 A132589 #10 Aug 02 2019 23:22:24 %S A132589 1,1,1,2,1,3,1,2,3,2,1,1,1,2,3,4,1,6,1,1,1,1,1,2,1,1,1,4,1,3,1,1,1,2, %T A132589 1,4,1,2,1,8,1,2,1,1,1,1,1,2,1,2,1,2,1,2,1,2,1,2,1,3,1,1,1,1,1,2,1,1, %U A132589 1,1,1,2,1,1,5,1,1,1,1,5,1,2,1,4,5,2,1,8,1,10,1,4,1,2,5,16,1,1,1,1,1,17,1,2 %N A132589 a(n) = gcd(A038566(n), n). %F A132589 a(n) = gcd(A038566(n), n). %e A132589 a(14) = gcd(A038566(14), 14) = gcd(2,14) = 2. %Y A132589 Cf. A132587, A132588, A038566. %K A132589 nonn %O A132589 1,4 %A A132589 _Leroy Quet_, Aug 23 2007 %E A132589 Edited and extended by _Max Alekseyev_, Apr 26 2010