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 A175997 #7 Mar 05 2016 11:22:37
%S A175997 5,9,0,0,4,7,0,7,6,2,1,9,9,5,0,5,3,7,6,7,0,9,1,5,4,9,6,0,9,2,0,3,5,0,
%T A175997 8,7,3,6,7,4,6,6,9,2,6,4,7,4,5,6,9,9,7,9,4,3,9,9,0,2,9,3,2,7,5,9,5,9,
%U A175997 3,3,9,5,7,0,6,6,2,5,0,3,7,7,7,1,4,0
%N A175997 Decimal expansion of the definite integral of y=x^(1/x)-1 for x=1 to e, the only maximum of this graph.
%e A175997 0.5900470762199505376709154960920350873674669264745699794399029327595933957066...
%t A175997 RealDigits[NIntegrate[x^(1/x)-1,{x,1,E},WorkingPrecision->250]][[1]] (* _Harvey P. Dale_, Mar 05 2016 *)
%Y A175997 Cf. A073229 (decimal expansion of e^(1/e)).
%K A175997 cons,nonn
%O A175997 0,1
%A A175997 _Dylan Hamilton_, Nov 05 2010
%E A175997 Corrected by _Harvey P. Dale_, Mar 05 2016