A093758 Numerators of Pi-independent part of even terms in the probability of obtaining an acute triangle by picking n points at random in the unit n-ball.

-1, 1, 31, 89, 1469, 3659, 15349, 346963, 833089, 258703, 8323377, 1987291133, 635794127, 5092025963, 1072713041, 49364084095, 493755098403, 85882225477, 10581549625005, 23912704453369, 494209983771919, 14178953572271615

Offset

2,3

Links

Table of n, a(n) for n=2..23.

Eric Weisstein's World of Mathematics, Ball Triangle Picking

Example

-1/8+4/Pi^2, 33/70, 1/32+256/(45Pi^2), 1415/2002, 31/256+2048/(315Pi^2), 231161/277134, ...

Crossrefs

Cf. A093756, A093757, A093759, A093760, A093761.

Sequence in context: A039518 A179113 A142715 * A359650 A360488 A139700

Adjacent sequences: A093755 A093756 A093757 * A093759 A093760 A093761

Keyword

sign,frac

Author

Eric W. Weisstein, Apr 15 2004

Status

approved