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A172784
Number of 5*n X 15 0..3 arrays with row sums 3 and column sums n
1
168168000, 369820640830881240000, 3937477620391471128913917360384000, 85504723470329847456379126545730424791071000000, 2789130810728711760475063805085713493445792640582613331968000
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A172567 A172590 A172693 * A250934 A233606 A258956
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved