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 A217249 #15 Aug 20 2013 08:35:40 %S A217249 5,9,8,6,2,1,7,6,6,8,4,9,5,4,3,8,9,7,4,9,3,2,4,5,0,7,4,7,4,2,3,6,8,9, %T A217249 2,5,0,1,6,5,1,0,1,0,6,5,8,9,9,3,8,6,9,8,3,3,3,4,9,4,9,1,8,5,0,6,1,4, %U A217249 6,6,5,5,2,6,2,4,4,4,2,8,0,6,4,2,8,2,3 %N A217249 Decimal expansion of Pi^2/sqrt(e). %F A217249 Equals A002388*A092605. %e A217249 5.9862176684954389749324507474236892501651010658993869833349491850614... %t A217249 RealDigits[Pi^2/Sqrt[E], 10, 90][[1]] %Y A217249 Cf. A002388, A092605, A222391. %K A217249 nonn,cons %O A217249 1,1 %A A217249 _Bruno Berselli_, Mar 20 2013