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A172620 Number of n X n 0..2 arrays with row sums 12 and column sums 12 1

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

%S 0,0,0,0,0,1,9135630,589985590963930,78459796857685317493440,

%T 23086954810641629693375704674000,

%U 15464071313054035722739424623204673044920

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

%H R. H. Hardin, <a href="/A172620/b172620.txt">Table of n, a(n) for n=1..14</a>

%K nonn

%O 1,7

%A _R. H. Hardin_ Feb 06 2010

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Last modified April 23 11:35 EDT 2024. Contains 371912 sequences. (Running on oeis4.)