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 A144988 #2 Mar 31 2012 10:22:10
%S A144988 4,16,269,97145,136932237232,20673377349936322828115,
%T A144988 3064009179828599322781273131956055066080121287,
%U A144988 26627889885770619250657085299814830308649653035272557146964038816993427725649965746421175612
%N A144988 Denominators of an Egyptian fraction for 1/Sqrt[10]=0.316227766...
%t A144988 a = {}; k = N[1/Sqrt[10], 1000]; Do[s = Ceiling[1/k]; AppendTo[a, s]; k = k - 1/s, {n, 1, 10}]; a (*Artur Jasinski*)
%Y A144988 A069139, A006487, A006526, A006525, A006524, A001466, A110820, A117116, A118323, A118324, A118325, A144835, A132480-A132574, A069261, A144984-A145003
%K A144988 frac,nonn
%O A144988 1,1
%A A144988 _Artur Jasinski_, Sep 28 2008