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 A099283 #5 Aug 21 2020 05:48:09
%S A099283 1,0,5,7,2,5,0,8,7,5,3,7,5,7,2,8,5,1,4,5,7,1,8,4,2,3,5,4,8,9,5,8,7,7,
%T A099283 9,5,9,0,2,4,0,5,3,9,3,7,5,6,9,8,0,7,8,9,9,6,1,2,1,0,3,5,2,2,4,7,8,0,
%U A099283 4,1,2,6,6,5,4,6,4,7,2,8,4,9,1,3,5,5,5,5,4,8,0,5,8,0,6,3,8,1,0,3,4,6,3,2,8
%N A099283 Decimal expansion of the hyperbolic sine integral at 1.
%F A099283 From _Amiram Eldar_, Aug 21 2020: (Start)
%F A099283 Equals Integral_{x=0..1} sinh(x)/x dx.
%F A099283 Equals -Integral_{x=0..1} log(x)*cosh(x) dx.
%F A099283 Equals Sum_{k>=0} 1/((2*k+1)*(2*k+1)!). (End)
%e A099283 1.05725087537572851457184235489587795902405393756980789961210352247...
%t A099283 RealDigits[ SinhIntegral[1], 10, 105][[1]]
%K A099283 cons,nonn
%O A099283 1,3
%A A099283 _Robert G. Wilson v_, Oct 08 2004