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 A263495 #6 Apr 10 2016 05:51:16
%S A263495 1,2,6,9,9,6,7,3,7,7,6,5,0,7,3,9,7,6,0,5,6,0,6,0,0,2,9,6,1,5,6,0,1,0,
%T A263495 9,1,3,6,0,3,8,8,4,9,7,8,5,2,6,8,9,0,7,6,9,5,4,5,1,7,8,6,3,8,7,0,6,9,
%U A263495 5,6,6,5,7,6,1,9,0,7,5,9,3,4,7,9,1,5,1,1,2,9,6,6,2,3,9,3,0
%N A263495 Decimal expansion of the generalized hypergeometric function 3F2(3/2, 3/2, 3/2; 2, 2; x) at x=1/4.
%C A263495 Multiplication with Pi^2/64 gives 0.195844.. = integral_{x=0..infinity} x*I_1(x)*K_0(x)^2 dx, where I and K are Modified Bessel Functions.
%e A263495 1.269967377650739760560600...
%t A263495 RealDigits[HypergeometricPFQ[{3/2, 3/2, 3/2}, {2, 2}, 1/4], 10, 120][[1]] (* _Vaclav Kotesovec_, Apr 10 2016 *)
%K A263495 cons,nonn
%O A263495 1,2
%A A263495 _R. J. Mathar_, Oct 19 2015