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Number of 8 X 8 stochastic matrices of integers.
2

%I #6 Apr 26 2015 17:09:37

%S 1,40320,545007960,1579060246400,1455918295922650,569304690994400256,

%T 114601242382721619224,13590707419428422843904,

%U 1046591482728407939338275,56272722406349235035916800,2233160342369825596702148720,68316292103293669997188919040

%N Number of 8 X 8 stochastic matrices of integers.

%D Matthias Beck and Dennis Pixton, The Ehrhart Polynomial of the Birkhoff Polytope, Discrete & Computational Geometry, 30(4)(2003), 623-637.

%H Alois P. Heinz, <a href="/A160318/b160318.txt">Table of n, a(n) for n = 0..1000</a>

%H Dennis Pixton, <a href="http://www.math.binghamton.edu/dennis/Birkhoff/polynomials.html">Ehrhart polynomials for n = 1, ..., 9</a>

%Y Row n=8 of A257493.

%K nonn

%O 0,2

%A Melissa Erdmann (merdmann(AT)nebrwesleyan.edu), May 08 2009