%I #8 Jan 11 2013 15:37:09
%S 1,12,143,648000,12964479,1721036800000,2077805148460987,
%T 5041895218133760000000,14154229032767142723739127,
%U 51951524164830314976613655528865792
%N Denominators of the probability that the convex hull of n+2 randomly chosen points in the unit ball B^n has n+1 vertices (with factor of Pi^n dropped for n even).
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/SylvestersFour-PointProblem.html">Sylvester's Four-Point Problem.</a>
%Y Cf. A051050.
%K nonn,frac
%O 0,2
%A _Eric W. Weisstein_
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