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 A144994 #2 Mar 31 2012 10:22:10
%S A144994 5,29,821,677977,513635696709,334234261805438025616703,
%T A144994 250906606073151785288093579072975272398266498130,
%U A144994 74964855360806135088808516122564277033496249621149557091386933175371459441529707353180479406338
%N A144994 Denominators of an Egyptian fraction for 1/Sqrt[18] = 0.23570226...
%t A144994 a = {}; k = N[1/Sqrt[18], 1000]; Do[s = Ceiling[1/k]; AppendTo[a, s]; k = k - 1/s, {n, 1, 10}]; a (*Artur Jasinski*)
%Y A144994 A069139, A006487, A006526, A006525, A006524, A001466, A110820, A117116, A118323, A118324, A118325, A144835, A132480-A132574, A069261, A144984-A145003
%K A144994 frac,nonn
%O A144994 1,1
%A A144994 _Artur Jasinski_, Sep 28 2008