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A172762 Number of 2*n X n 0..3 arrays with row sums n and column sums 2*n 1

%I

%S 1,19,28681,3017084995,37642786694586601,58256290618618126540488181,

%T 11402923087449460426136950157514212457,

%U 300748551220458753215613602117054376767307058363395

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

%H R. H. Hardin, <a href="/A172762/b172762.txt">Table of n, a(n) for n=1..10</a>

%K nonn

%O 1,2

%A _R. H. Hardin_ Feb 06 2010

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Last modified April 16 23:40 EDT 2021. Contains 343051 sequences. (Running on oeis4.)