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 A119824 #6 Nov 09 2013 03:43:43
%S A119824 7,4,9,0,3,1,4,2,2,5,8,2,7,6,0,5,8,3,0,2,6,3,3,0,4,7,5,9,1,3,6,8,9,8,
%T A119824 4,6,5,3,7,1,1,3,1,0,2,1,3,1,1,6,0,1,0,6,1,0,9,1,6,4,9,3,4,3,6,1,3,3,
%U A119824 0,2,6,8,4,1,6,2,3,8,1,2,3,2,7,8,0,3,1,6,6,0,4,4,6,9,8,6,5,9,2,5,0,8,4,7,3,4
%N A119824 Decimal expansion of area bounded by x->Exp[x] and x->Gamma[x+1] on 0 <= x <= c, where c is the value given by A078335.
%e A119824 74.9031422582760583026330475914...
%t A119824 RealDigits[NIntegrate[Exp[x] - Gamma[x + 1], {x, 0, FindRoot[r - Log[r! ], {r, 5.29}, WorkingPrecision -> 200][[1]][[2]]}, WorkingPrecision -> 40]]
%Y A119824 Cf. Upper bound of integral is given by A078335.
%K A119824 cons,nonn
%O A119824 2,1
%A A119824 Joseph Biberstine (jrbibers(AT)indiana.edu), Jul 30 2006
%E A119824 More terms from _Robert G. Wilson v_, Nov 08 2013