A172534 - OEIS

%I #6 Apr 11 2017 16:15:13

%S 0,0,0,0,0,0,0,0,0,0,0,1,6227020800,676508133623135814000,

%T 65662040698002721810659005184000,

%U 6892692735539278753058456514221737762215000

%N Number of n X n 0..1 arrays with row sums 12 and column sums 12.

%H R. H. Hardin, <a href="/A172534/b172534.txt">Table of n, a(n) for n=1..18</a>

%Y Column k=12 of A008300.

%K nonn

%O 1,13

%A _R. H. Hardin_, Feb 06 2010