%I #4 Mar 31 2012 12:35:40
%S 0,0,1,369600,2604964362000,89365729945562642000,
%T 12218892645550878420052920000,5638345005774311804302107347272704000,
%U 7664603814657718197913972357390335773198400000
%N Number of 3*n X n 0..1 arrays with row sums 3 and column sums 9
%H R. H. Hardin, <a href="/A172563/b172563.txt">Table of n, a(n) for n=1..23</a>
%K nonn
%O 1,4
%A _R. H. Hardin_ Feb 06 2010
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