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%I #7 Aug 15 2015 01:59:14
%S 4,256,2048,4194304,54525952,134754598912,4797478469632,
%T 281474976710656,6757369765892718592,745800601892181508096,
%U 15816641891325181952,198634540185704451801088
%N 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.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/BallTrianglePicking.html">Ball Triangle Picking</a>
%e -1/8+4/Pi^2, 33/70, 1/32+256/(45Pi^2), 1415/2002, 31/256+2048/(315Pi^2), 231161/277134, ...
%Y Cf. A093756, A093757, A093758, A093759, A093761.
%K nonn,frac
%O 2,1
%A _Eric W. Weisstein_, Apr 15 2004
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