|
%I
%S 352128,811889208811800,4512934309457492170923216,
%T 37736268336701361777964258280263320,
%U 398985427051117716339042202464595044584127768
%N Number of 3*n X 9 0..4 arrays with row sums 6 and column sums 2*n
%H R. H. Hardin, <a href="/A172840/b172840.txt">Table of n, a(n) for n=1..13</a>
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 06 2010
| 