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A172773 Number of 3*n X 9 0..3 arrays with row sums 6 and column sums 2*n 1

%I

%S 352128,654393258290520,2538708180710780880644304,

%T 14906195150068924678040454978560280,

%U 110716878274689761475592889715532248440554848

%N Number of 3*n X 9 0..3 arrays with row sums 6 and column sums 2*n

%H R. H. Hardin, <a href="/A172773/b172773.txt">Table of n, a(n) for n=1..13</a>

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 06 2010

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Last modified October 1 12:45 EDT 2022. Contains 357147 sequences. (Running on oeis4.)