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 A145001 #2 Mar 31 2012 10:22:10
%S A145001 6,39,7023,123003383,30009972034709604,
%T A145001 2284252506432349791885755473056239,
%U A145001 9742053754355575036462674739863470880211838469604940624314922115462
%N A145001 Denominators of an Egyptian fraction for 1/Sqrt[27] = 0.19245...
%t A145001 a = {}; k = N[1/Sqrt[27], 1000]; Do[s = Ceiling[1/k]; AppendTo[a, s]; k = k - 1/s, {n, 1, 10}]; a (*Artur Jasinski*)
%Y A145001 A069139, A006487, A006526, A006525, A006524, A001466, A110820, A117116, A118323, A118324, A118325, A144835, A132480-A132574, A069261, A144984-A145003
%K A145001 frac,nonn
%O A145001 1,1
%A A145001 _Artur Jasinski_, Sep 28 2008