%I #4 Mar 31 2012 12:35:40
%S 113400,1371785398200,46764764308702440000,
%T 2532230252503738514963235000,178394712594906480448637769546038400,
%U 14896749360215409445279324463510987496360000
%N Number of 5*n X 10 0..1 arrays with row sums 2 and column sums n
%H R. H. Hardin, <a href="/A172589/b172589.txt">Table of n, a(n) for n=1..19</a>
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 06 2010
|