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 A144986 #2 Mar 31 2012 10:22:10
%S A144986 3,23,868,1242123,2776290405248,11161696107523243223922840,
%T A144986 261638153821481209775970282548980739821715625184617,
%U A144986 189055393361766552088064316219614698328133697744770641431804048878604165927723712902309210241320415402
%N A144986 Denominators of an Egyptian fraction for 1/Sqrt[7]=0.377964473...
%t A144986 a = {}; k = N[1/Sqrt[7], 1000]; Do[s = Ceiling[1/k]; AppendTo[a, s]; k = k - 1/s, {n, 1, 10}]; a (*Artur Jasinski*)
%Y A144986 A069139, A006487, A006526, A006525, A006524, A001466, A110820, A117116, A118323, A118324, A118325, A144835, A132480-A132574, A069261, A144984-A145003
%K A144986 frac,nonn
%O A144986 1,1
%A A144986 _Artur Jasinski_, Oct 07 2008