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A172924
Number of n X n 0..7 arrays with row sums 12 and column sums 12
1
0, 3, 1216, 9231031, 517724571330, 165121260897866936, 245134923025161071850640, 1446656016533971629592879758484, 29816381062270870630530816568741792176
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A199236 A171360 A034315 * A129078 A174826 A122389
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved