|
%I #4 Mar 31 2012 12:35:41
%S 0,141,95635680,1557850709802421,338059904123009135280850,
%T 640278723754096114457315005223400,
%U 7745310191767932461627415566004172302489000
%N Number of 3*n X n 0..3 arrays with row sums 4 and column sums 12
%H R. H. Hardin, <a href="/A172764/b172764.txt">Table of n, a(n) for n=1..17</a>
%K nonn
%O 1,2
%A _R. H. Hardin_ Feb 06 2010
| 