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A172916
Number of 3*n X 9 0..6 arrays with row sums 6 and column sums 2*n
1
352128, 811889208811800, 4801114002903931560293544, 43212752077206858567543807299695080, 493557244824104842248683942590327045986131328
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A172773 A172840 A172886 * A172765 A205632 A205334
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved