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%I #14 Apr 09 2018 10:07:20
%S 5,8,6,6,3,6,2,9,2,4,3,9,1,7,7,7,6,1,9,4,3,0,3,1,9,9,1,3,5,7,6,5,2,4,
%T 3,0,5,9,4,2,3,0,2,7,0,0,1,3,9,4,9,7,0,5,4,4,7,3,5,5,9,1,3,0,6,8,7,6,
%U 6,1,3,5,7,3,8,9,2,1,9,3,6,3,1,1,3,5,6
%N Decimal expansion of the probability of intersection of 2 random chords in a circle, where each chord is selected by a random point within the circle and a random direction.
%H Herbert Solomon, <a href="https://archive.org/stream/GeometricProbability/Geometric_Probability-Solomon#page/n161/mode/2up">Geometric Probability</a>, SIAM, 1978, p. 152.
%F Equals 1/3 + 5/(2*Pi^2).
%e 0.58663629243917776194303199135765243059423027001394...
%t RealDigits[1/3 + 5/(2*Pi^2), 10, 100][[1]]
%o (PARI) 1/3 + 5/(2*Pi^2) \\ _Altug Alkan_, Mar 28 2018
%Y Cf. A060294, A301863, A301864, A301865.
%K nonn,cons
%O 1,1
%A _Amiram Eldar_, Mar 28 2018