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 A145002 #2 Mar 31 2012 10:22:10
%S A145002 6,45,10713,324564970,180179551708668257,
%T A145002 66100039883449216745724149409859980,
%U A145002 5970964373869392740489950614747811004676487208587055130790649750452409
%N A145002 Denominators of an Egyptian fraction for 1/Sqrt[28] = 0.1889822365...
%t A145002 a = {}; k = N[1/Sqrt[28], 1000]; Do[s = Ceiling[1/k]; AppendTo[a, s]; k = k - 1/s, {n, 1, 10}]; a (*Artur Jasinski*)
%Y A145002 A069139, A006487, A006526, A006525, A006524, A001466, A110820, A117116, A118323, A118324, A118325, A144835, A132480-A132574, A069261, A144984-A145003
%K A145002 frac,nonn
%O A145002 1,1
%A A145002 _Artur Jasinski_, Sep 28 2008