A172681 - OEIS

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A172681

Number of 4*n X n 0..2 arrays with row sums 5 and column sums 20

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

%S 0,0,34650,54067759732546560,3138774474975381117998859525561,

%T 4611389774049135678307206605901825339706084920,

%U 118146008179337031214747923950181684918919939516291368598887900

%N Number of 4*n X n 0..2 arrays with row sums 5 and column sums 20

%H R. H. Hardin, <a href="/A172681/b172681.txt">Table of n, a(n) for n=1..11</a>

%K nonn

%O 1,3

%A _R. H. Hardin_ Feb 06 2010