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A172627 Number of n X n 0..2 arrays with row sums 6 and column sums 6 1

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

%S 0,0,1,282,628080,3680774301,49846153939785,1418365816378741440,

%T 78459796857685317493440,7915651642356094020231766800,

%U 1381222121393845839281152868103600

%N Number of n X n 0..2 arrays with row sums 6 and column sums 6

%H R. H. Hardin, <a href="/A172627/b172627.txt">Table of n, a(n) for n=1..25</a>

%K nonn

%O 1,4

%A _R. H. Hardin_ Feb 06 2010

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Last modified April 25 06:14 EDT 2024. Contains 371964 sequences. (Running on oeis4.)