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 A020115 #6 Mar 30 2012 18:36:22 %S A020115 1,1,2,5,19,90,524,3599,28342,251532,2483878,27012164,320769441, %T A020115 4129906549,57302453361,852373993745,13531437150693,228343001917932, %U A020115 4081631159283028,77040788131467136,1531185664112909315 %N A020115 Ceiling of GAMMA(n+7/8)/GAMMA(7/8). %p A020115 Digits := 64:f := proc(n,x) ceil(GAMMA(n+x)/GAMMA(x)); end; %K A020115 nonn %O A020115 0,3 %A A020115 _Simon Plouffe_