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A093529 Pi*denominators of odd raw moments in the distribution of line lengths for lines picked at random in the unit disk. +0
4
45, 525, 2205, 31185, 99099, 585585, 1640925, 35334585, 92147055, 468495027, 1166167275, 11408158125, 27484885575, 130734984825, 307452619485, 11455089532425, 26442675480375, 121132637200575, 275520749478975 (list; graph; listen)
OFFSET

1,1

LINKS

Eric Weisstein's World of Mathematics, Disk Line Picking

FORMULA

a(k) = Pi*Denominator[(2*Gamma[3 + n])/((2 + n)*Gamma[2 + n/2]*Gamma[3 + n/2])] for n = 2k-1.

EXAMPLE

1, 128/(45*Pi), 1, 2048/(525*Pi), 5/3, 16384/(2205*Pi), ...

CROSSREFS

Cf. A093070, A093526, A093527, A093528.

Sequence in context: A036495 A053137 A086576 this_sequence A027783 A090024 A110691

Adjacent sequences: A093526 A093527 A093528 this_sequence A093530 A093531 A093532

KEYWORD

nonn,frac

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), Jan 04, 1970

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.


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