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%I A172576 #4 Mar 31 2012 12:35:40
%S A172576 0,0,0,0,1,3246670537110000,352231966693098849132080247442500,
%T A172576 203269774721184658406475682049947158681837795504000,
%U A172576 746770363520310669802381642326970209622854085785862010798716821780000
%N A172576 Number of 4*n X n 0..1 arrays with row sums 5 and column sums 20
%H A172576 R. H. Hardin, <a href="/A172576/b172576.txt">Table of n, a(n) for n=1..11</a>
%K A172576 nonn
%O A172576 1,6
%A A172576 _R. H. Hardin_ Feb 06 2010

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