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 A300897 #60 Apr 05 2020 04:21:05
%S A300897 1,6,8,8,5,6,3,5,6,6,6,7,1,4,4,2,0,3,7,3,1,6,7,9,7,7,5,5,0,0,9,0,1,0,
%T A300897 3,4,1,0,1,5,0,3,9,5,6,8,9,7,6,4,9,2,2,2,3,7,7,2,2,5,5,2,2,7,1,4,1,7,
%U A300897 5,3,3,0,3,0,3,3,0,1,2,8,7,7,6,7,1,0,7
%N A300897 Decimal expansion of lim_{n->infinity} A081881(n)/exp(n).
%e A300897 0.16885635666714420373167977550090103410150395689764...
%Y A300897 Cf. A081881, A295572.
%K A300897 nonn,cons
%O A300897 0,2
%A A300897 _Jon E. Schoenfield_, Apr 12 2018