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 A239809 #4 Mar 27 2014 09:18:41 %S A239809 1,4,6,1,7,7,9,5,8,0,2,5,4,9,4,2,7,2,9,5,4,6,5,4,9,3,3,0,5,1,7,2,6,5, %T A239809 6,8,1,4,0,4,4,9,0,2,8,5,9,5,4,3,8,0,6,4,5,2,5,5,4,1,1,9,4,7,5,9,8,9, %U A239809 5,4,1,5,5,4,8,3,9,6,5,9,7,8,2,0,5,2,4,2,7,9,5,6,5,5,7,3,6,6,4,2,8,7,6,5,3,7 %N A239809 Decimal expansion of a constant related to A000624. %F A239809 Equals lim n->infinity A000624(n) / A239804^n. %e A239809 0.146177958025494272954654933051726568140... %Y A239809 Cf. A000624, A239804. %K A239809 nonn,cons %O A239809 0,2 %A A239809 _Vaclav Kotesovec_, Mar 27 2014