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A172670
Number of 3*n X 15 0..2 arrays with row sums 5 and column sums n
1
756756, 19292117692187340, 1392491976667637592480814080, 203165913750358400342600887093908501900, 43953912340166344641202095832376782984770776827056
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A259305 A172586 A172571 * A172769 A172837 A172885
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved