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 A092555 #10 Dec 31 2013 14:36:37 %S A092555 0,1,8,3,1,5,6,3,8,8,8,8,7,3,4,1,8,0,2,9,3,7,1,8,0,2,1,2,7,3,2,4,1,2, %T A092555 4,2,2,1,1,9,1,2,0,6,7,5,5,3,4,7,5,5,9,4,7,6,9,5,9,9,9,2,7,4,3,9,2,5, %U A092555 0,4,3,1,5,9,8,1,1,4,1,2,2,6,8,7,3,6,9,4,9,8,1,2,8,9,0,2,0,5,1,7,2,9,5,5,5 %N A092555 Decimal expansion of e^(-4). %C A092555 This is one of Rényi's parking constants. - _Alonso del Arte_, Dec 28 2013 %D A092555 Steven R. Finch, Mathematical Constants, Cambridge University Press (2003): 280. %e A092555 0.0183156388887... %t A092555 RealDigits[E^(-4), 10, 100][[1]] (* _Alonso del Arte_, Dec 28 2013 *) %Y A092555 Cf. A019774, A001113, A068985, A092553 (e^(-2)), A092554 (e^(-3)). %K A092555 cons,nonn %O A092555 0,3 %A A092555 _Mohammad K. Azarian_, Apr 09 2004