A093760 Numerators of Pi-dependent part of even terms in the probability of obtaining an acute triangle by picking n points at random in the unit n-ball.

4, 256, 2048, 4194304, 54525952, 134754598912, 4797478469632, 281474976710656, 6757369765892718592, 745800601892181508096, 15816641891325181952, 198634540185704451801088

Offset

2,1

Links

Table of n, a(n) for n=2..13.

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, A093758, A093759, A093761.

Sequence in context: A346919 A203511 A063073 * A062075 A266890 A013734

Adjacent sequences: A093757 A093758 A093759 * A093761 A093762 A093763

Keyword

nonn,frac

Author

Eric W. Weisstein, Apr 15 2004

Status

approved