OFFSET
0,3
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..10001
Jonathan M. Borwein, Armin Straub, James Wan, and Wadim Zudilin, Densities of Short Uniform Random Walks, p. 969, Canad. J. Math. 64(2012), 961-990.
FORMULA
phi_3(x) = (sqrt(3) * 2F1(1/3, 2/3; 1; (x^2*(9-x^2)^2)/(3+x^2)^3))/(Pi^2*(3+x^2)), where 2F1 is the hypergeometric function.
EXAMPLE
0.0146244531626288047602836215585815095740255601802140707199810977526893...
MAPLE
Digits:=100: evalf(sqrt(3)/(12*Pi^2)); # Wesley Ivan Hurt, Jul 10 2014
MATHEMATICA
Join[{0}, RealDigits[Sqrt[3]/(12*Pi^2), 10, 104] // First]
CROSSREFS
KEYWORD
AUTHOR
Jean-François Alcover, Jul 09 2014
STATUS
approved