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A172934
Number of 2*n X n 0..7 arrays with row sums 7 and column sums 14.
1
1, 344, 16205400, 29920962972240, 1030178236624445762100, 405285856727517597572011434240, 1284495236763845536447959729080655425337, 25229644523536541011926273204266840907955788193920
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A086028 A220650 A178191 * A172952 A376618 A306670
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 06 2010
STATUS
approved