A172551 - OEIS

%I #4 Mar 31 2012 12:35:40

%S 0,0,0,0,0,0,0,1,12504636144000,2532230252503738514963235000,

%T 691778216746194304091147388331566881040000,

%U 358920655858354115406831875940612514848040679965214568750

%N Number of 2*n X n 0..1 arrays with row sums 8 and column sums 16

%H R. H. Hardin, <a href="/A172551/b172551.txt">Table of n, a(n) for n=1..14</a>

%K nonn

%O 1,9

%A _R. H. Hardin_ Feb 06 2010