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 A121276 #9 Jun 22 2013 16:05:58
%S A121276 4,40,838,24937,956312,44854575,2487341346,159191134380,
%T A121276 11548655840414,936480474760831,83939839868599398,8240876863689762815,
%U A121276 879451562846500470847,101365628435563005374930
%N A121276 Ceiling((n*Pi)^n).
%H A121276 Vincenzo Librandi, <a href="/A121276/b121276.txt">Table of n, a(n) for n = 1..200</a>
%t A121276 Table[Ceiling[(n Pi)^n], {n, 20}] (* _Vincenzo Librandi_, Feb 22 2013 *)
%Y A121276 Cf. A121246, A121247.
%K A121276 nonn,less
%O A121276 1,1
%A A121276 _Mohammad K. Azarian_, Aug 23 2006