0,1

This is the probability that a Gaussian triangle in 5 dimensions is obtuse.

G. C. Greubel, Table of n, a(n) for n = 0..5000

S. R. Finch, Random Triangles, January 21, 2010. [Cached copy, with permission of the author]

Eric Weisstein's World of Mathematics, Gaussian Triangle Picking

RealDigits[1 - (9*Sqrt[3])/(8*Pi), 10, 50][[1]] (* G. C. Greubel, Jun 02 2017 *)

(PARI) 1 - (9*sqrt(3))/(8*Pi) \\ G. C. Greubel, Jun 01 2017

Cf. A102519.

Sequence in context: A011271 A005534 A113014 * A275667 A122490 A347926

Adjacent sequences: A102517 A102518 A102519 * A102521 A102522 A102523

cons,nonn

Mark Hudson (mrmarkhudson(AT)hotmail.com), Jan 13 2005

approved