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 A249243 #8 Oct 28 2014 00:12:00
%S A249243 0,1,2,2,3,4,5,5,6,7,8,8,9,10,11,11,12,13,14,14,15,16,16,17,18,19,19,
%T A249243 20,21,22,22,23,24,25,25,26,27,28,28,29,30,30,31,32,33,33,34,35,36,36,
%U A249243 37,38,39,39,40,41,41,42,43,44,44,45,46,47,47,48,49,50
%N A249243 Floor(1/((1 + 1/n)^(n + 1)) - e).
%C A249243 a(n+1) - a(n) is in {0,1} for n >= 0.
%H A249243 Clark Kimberling, <a href="/A249243/b249243.txt">Table of n, a(n) for n = 1..10000</a>
%t A249243 u = Floor[Table[1/((1 + 1/n)^(n + 1) - E), {n, 1, 1000}]]; (* A249243 *)
%t A249243 d = Differences[u]
%t A249243 Flatten[Position[d, 0]] (* A249244 *)
%t A249243 Flatten[Position[d, 1]] (* A249245 *)
%Y A249243 Cf. A247784, A249244, A249245.
%K A249243 nonn,easy
%O A249243 1,3
%A A249243 _Clark Kimberling_, Oct 23 2014