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Number of spanning trees in directed graph of spanning trees of the complete directed graph on n vertices.
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%I #8 Mar 14 2013 19:07:51

%S 1,2,243,4951760157141521099596496896

%N Number of spanning trees in directed graph of spanning trees of the complete directed graph on n vertices.

%C Next term (2^80*3^160*5^369) contains over 300 digits.

%D Athanasiadis, Christos A., "Spectra of some interesting combinatorial matrices related to oriented spanning trees on a directed graph", J. Algebraic Combin. 5 (1996), no. 1, 5-11.

%K nonn

%O 0,2

%A _James Propp_, Feb 07 2000