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A102558 Numerator of the probability that (2n+1)-dimensional Gaussian random triangle has an obtuse angle. 9
3, 9, 27, 837, 891, 729, 12393, 277749, 4782969, 91703097, 92293587, 82019061, 2674388259, 10722885057, 155747819547, 19336668383673, 667382013477, 1019303306559, 716912704223253, 717162977859147, 29411190301301847 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..21.

Eric Weisstein's World of Mathematics, Gaussian Triangle Picking

EXAMPLE

1 - (3*sqrt(3))/(4*Pi), 1 - (9*sqrt(3))/(8*Pi), 1 - (27*sqrt(3))/(20*Pi), ...

CROSSREFS

Cf. A102556, A102557, A102559.

Sequence in context: A018924 A061582 A175129 * A022767 A015638 A032092

Adjacent sequences:  A102555 A102556 A102557 * A102559 A102560 A102561

KEYWORD

nonn,frac

AUTHOR

Eric W. Weisstein, Jan 14 2005

STATUS

approved

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Last modified May 26 02:56 EDT 2020. Contains 334613 sequences. (Running on oeis4.)