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A172821
Number of n X 5 0..4 arrays with row sums 5 and column sums n
1
1, 51, 3391, 261331, 21107931, 1825913781, 165824491281, 15611242525971, 1511084106275011, 149563116897254161, 15076390343931567861, 1543079518763428325461, 159985421854875339469501
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A238603 A128917 A172742 * A172868 A015271 A221116
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved