

A114598


Decimal expansion of Pi^2*(Pi/2  1).


0



5, 6, 3, 3, 5, 3, 3, 9, 3, 9, 0, 6, 0, 5, 5, 1, 4, 6, 8, 9, 0, 3, 6, 6, 6, 5, 3, 3, 6, 7, 4, 5, 4, 6, 4, 6, 5, 7, 9, 8, 9, 4, 4, 8, 7, 5, 7, 0, 1, 7, 6, 3, 2, 2, 0, 6, 5, 8, 9, 1, 9, 6, 7, 5, 6, 8, 3, 1, 5, 2, 6, 3, 6, 3, 1, 3, 6, 4, 7, 7, 7, 5, 7, 8, 1, 5, 7, 7, 1, 1, 2, 5, 8, 2, 8, 9, 0, 8, 6, 4, 6, 9
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OFFSET

1,1


REFERENCES

H. Solomon, Geometric Probability, SIAM, 1978; see p. 7.


LINKS

Table of n, a(n) for n=1..102.
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/21), 10, 120][[1]] (* Harvey P. Dale, Apr 06 2014 *)


CROSSREFS

Sequence in context: A195448 A079267 A060296 * A272489 A259500 A274082
Adjacent sequences: A114595 A114596 A114597 * A114599 A114600 A114601


KEYWORD

nonn,cons,easy


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



