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A172744
Number of n X 9 0..3 arrays with row sums 9 and column sums n
1
1, 3139, 19546975, 79089365395, 455886376926451, 3065961180872817781, 22406966527952120859529, 176369571737525105395211155, 1469748355306450464225368161315, 12810903082325592313645532408260249
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A187639 A322536 A172641 * A172819 A172871 A172901
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved