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 A144993 #2 Mar 31 2012 10:22:10
%S A144993 4,122,461162,3349129245910,13840887520563432756263419,
%T A144993 382957446908718393433860815845544980690400109047234,
%U A144993 288920912135538937886184184636581882706344572318014211901988926906547123182498092010284597493565283044
%N A144993 Denominators of an Egyptian fraction for 1/Sqrt[15] = 0.258198889747...
%t A144993 a = {}; k = N[1/Sqrt[15], 1000]; Do[s = Ceiling[1/k]; AppendTo[a, s]; k = k - 1/s, {n, 1, 10}]; a (*Artur Jasinski*)
%Y A144993 A069139, A006487, A006526, A006525, A006524, A001466, A110820, A117116, A118323, A118324, A118325, A144835, A132480-A132574, A069261, A144984-A145003
%K A144993 frac,nonn
%O A144993 1,1
%A A144993 _Artur Jasinski_, Sep 28 2008