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 A127115 #2 Mar 31 2012 10:22:03
%S A127115 1,1,2,6,30,170,1320,11660,116600,1304600,15657400,230212400,
%T A127115 3443176000,56312146000,1211416624000,23016735654000,460356735300000,
%U A127115 12067735663300000,265756631234600000,6601271140642200000
%N A127115 n! in base 8.
%t A127115 b = Table[IntegerDigits[n!, 8], {n, 1, 15}]; a = {}; Do[AppendTo[a, FromDigits[b[[x]]]], {x, 1, Length[b]}]; a (*Artur Jasinski*)
%Y A127115 Cf. A127109, A127110, A036603, A127112, A127113, A127114, A127115, A127116.
%K A127115 nonn
%O A127115 0,3
%A A127115 _Artur Jasinski_, Jan 05 2007