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 A121279 #8 Jun 22 2013 16:05:59
%S A121279 1,2,2,2,2,3,3,3,4,4,5,5,6,7,8,9,11,12,14,16,19,21,25,28,33,38,44,50,
%T A121279 58,67,77,89,103,119,138,159,184,212,245,283,327,378,437,505,583,674,
%U A121279 779,900,1041,1203,1390,1606,1856,2145,2479,2865,3311,3827,4422,5111,5907
%N A121279 Ceiling((Pi/e)^n).
%H A121279 Vincenzo Librandi, <a href="/A121279/b121279.txt">Table of n, a(n) for n = 0..1000</a>
%t A121279 Table[Ceiling[(Pi/E)^n], {n, 0, 70}] (* _Vincenzo Librandi_, Feb 23 2013 *)
%Y A121279 Cf. A032739, A062541.
%K A121279 nonn,less,easy
%O A121279 0,2
%A A121279 _Mohammad K. Azarian_, Aug 24 2006
%E A121279 Changed offset from 1 to 0 by _Vincenzo Librandi_, Feb 23 2013