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A172933
Number of 2*n X n 0..7 arrays with row sums 9 and column sums 18
1
0, 146, 62923906, 1389194436231112, 851595316175807779373475, 9204278755664744827525498829547800, 1226956821626286798384954346260110391913131030
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A097728 A172877 A172911 * A145212 A195239 A122064
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved