A172770 - OEIS

%I #4 Mar 31 2012 12:35:41

%S 34650,3536978063850,1182802402030354182000,

%T 671520101271652710399345719850,

%U 520089040184399473996377693211802013900,493319321787145287396560260323437116718848470000

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

%H R. H. Hardin, <a href="/A172770/b172770.txt">Table of n, a(n) for n=1..17</a>

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 06 2010