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 A067840 #17 Jan 09 2024 16:56:09
%S A067840 7,0,0,2,1,1,4,0,6,6,6,8,5,11,5,10,10,15,16,8,19,18,15,0,16,1,2,26,17,
%T A067840 27,23,17,18,11,24,34,25,16,27,5,33,20,11,39,35,25,39,7,5,21,27,30,33,
%U A067840 21,34,9,10,26,32,15,35,23,6,3,21,43,50,40,41,33,1,62,58,59,12,23,62,42
%N A067840 Factorial expansion of e^2 : exp(2) = Sum_{n >= 0} a(n)/n!.
%F A067840 a(0) = 7; for n>=1, a(n) = floor(n!*e^2) - n*floor((n-1)!*e^2).
%Y A067840 Cf. A072334, A007514.
%K A067840 easy,nonn
%O A067840 0,1
%A A067840 _Benoit Cloitre_, Mar 10 2002
%E A067840 Offset changed to 0 by _Sean A. Irvine_, Jan 09 2024