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A172785
Number of 5*n X 20 0..3 arrays with row sums 4 and column sums n
1
305540235000, 54918587341306311174536985000, 85504723470329847456379126545730424791071000000, 349386504852546133438847462576945313875421034231833558901433865000
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A172578 A172588 A172691 * A172847 A354071 A022263
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved