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A172750 Number of 2*n X n 0..3 arrays with row sums 5 and column sums 10 1

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

%S 0,6,81225,19641294288,37642786694586601,407505677116244252111280,

%T 19524684484378921494922081853046,

%U 3444203485343904342478939367221160666880

%N Number of 2*n X n 0..3 arrays with row sums 5 and column sums 10

%H R. H. Hardin, <a href="/A172750/b172750.txt">Table of n, a(n) for n=1..18</a>

%K nonn

%O 1,2

%A _R. H. Hardin_ Feb 06 2010

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Last modified February 27 04:33 EST 2024. Contains 370362 sequences. (Running on oeis4.)