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 A301862 #14 Apr 09 2018 10:07:20 %S A301862 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 A301862 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 A301862 6,1,3,5,7,3,8,9,2,1,9,3,6,3,1,1,3,5,6 %N A301862 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 A301862 Herbert Solomon, <a href="https://archive.org/stream/GeometricProbability/Geometric_Probability-Solomon#page/n161/mode/2up">Geometric Probability</a>, SIAM, 1978, p. 152. %F A301862 Equals 1/3 + 5/(2*Pi^2). %e A301862 0.58663629243917776194303199135765243059423027001394... %t A301862 RealDigits[1/3 + 5/(2*Pi^2), 10, 100][[1]] %o A301862 (PARI) 1/3 + 5/(2*Pi^2) \\ _Altug Alkan_, Mar 28 2018 %Y A301862 Cf. A060294, A301863, A301864, A301865. %K A301862 nonn,cons %O A301862 1,1 %A A301862 _Amiram Eldar_, Mar 28 2018