A172680 - OEIS

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

%S 0,70,358198369,54067759732546560,117188101836293753504038800,

%T 2305398394297691701702591298576921200,

%U 295799727163686817428226118102222383709995755000

%N Number of 4*n X n 0..2 arrays with row sums 3 and column sums 12

%H R. H. Hardin, <a href="/A172680/b172680.txt">Table of n, a(n) for n=1..16</a>

%K nonn

%O 1,2

%A _R. H. Hardin_ Feb 06 2010