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A172959
Number of n X n 0..9 arrays with row sums 10 and column sums 10
1
0, 9, 2124, 5010670, 79190239681, 6289730555976945, 2022961772806402753444, 2233030862952577841545024528, 7423987282347762864682376427695952, 66879971495995556019851723767661130580273
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A320982 A316396 A162091 * A250915 A013827 A058428
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved