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A172862 Number of n X n 0..5 arrays with row sums 5 and column sums 5. 4


%S 1,1,6,231,40176,22069251,30767936616,94161778046406,

%T 569304690994400256,6274236760589024662176,

%U 118285830126660123474844752,3623440212198461411381072575512,172850452498398420310370097345242112

%N Number of n X n 0..5 arrays with row sums 5 and column sums 5.

%H R. H. Hardin, <a href="/A172862/b172862.txt">Table of n, a(n) for n = 0..35</a>

%H M. L. Stein and P. R. Stein, <a href="/A001496/a001496.pdf">Enumeration of Stochastic Matrices with Integer Elements</a>, Report LA-4434, Los Alamos Scientific Laboratory of the University of California, Los Alamos, NM, Jun 1970. [Annotated scanned copy]

%Y Column k=5 of A257493.

%K nonn

%O 0,3

%A _R. H. Hardin_, Feb 06 2010

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Last modified May 25 00:03 EDT 2022. Contains 354047 sequences. (Running on oeis4.)