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 A263494 #6 Apr 10 2016 05:50:21 %S A263494 1,6,1,6,1,6,7,3,5,8,1,6,1,4,7,0,0,6,1,4,7,3,2,9,0,6,4,1,2,4,7,8,3,8, %T A263494 0,2,1,9,1,7,2,2,6,3,7,6,2,2,7,1,9,0,7,1,2,3,6,7,7,7,9,5,0,8,3,9,0,1, %U A263494 8,2,7,3,2,5,6,5,8,7,9,3,4,6,4,0,0,5,7,3,1,2,4,7 %N A263494 Decimal expansion of the generalized hypergeometric function 3F2(3/2, 3/2, 3/2; 1, 2; x) at x=1/4. %C A263494 Multiplication with Pi^2/32 gives 0.4984666... = integral_{x=0..infinity} x^2*I_0(x)*K_0(x)^2 dx, where I and K are Modified Bessel Functions. %e A263494 1.6161673581614700614732... %t A263494 RealDigits[HypergeometricPFQ[{3/2, 3/2, 3/2}, {1, 2}, 1/4], 10, 120][[1]] (* _Vaclav Kotesovec_, Apr 10 2016*) %K A263494 nonn,cons %O A263494 1,2 %A A263494 _R. J. Mathar_, Oct 19 2015