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%I #4 Mar 31 2012 12:35:40
%S 20,1860,297200,60871300,14367744720,3718394156400,1026608414145600,
%T 297348703692826500,89365729945562642000,27658131940039664137360,
%U 8766913970029589057611200,2834492178580299130305958000
%N Number of 2*n X 6 0..1 arrays with row sums 3 and column sums n
%H R. H. Hardin, <a href="/A172556/b172556.txt">Table of n, a(n) for n=1..49</a>
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 06 2010
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