OFFSET
1,1
REFERENCES
H. Solomon, Geometric Probability, SIAM, 1978; see p. 7.
LINKS
Enis Sinikrasan, Throwing Buffon's Needle, The Mathematica Journal, Volume 11, Issue 1, p. 71.
Eric Weisstein's World of Mathematics, Buffon's Needle Problem
EXAMPLE
5.6335339390605514689036665336745464657989448757017632206589...
MATHEMATICA
RealDigits[Pi^2 (Pi/2-1), 10, 120][[1]] (* Harvey P. Dale, Apr 06 2014 *)
PROG
(PARI) Pi^2*(Pi/2-1) \\ Charles R Greathouse IV, Oct 01 2022
CROSSREFS
KEYWORD
AUTHOR
Eric W. Weisstein, Dec 13 2005
EXTENSIONS
Confirmed by Rick L. Shepherd, Feb 22 2006
Name edited (pi -> Pi) by Zak Seidov, Sep 24 2011
STATUS
approved