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A172885
Number of 3*n X 15 0..5 arrays with row sums 5 and column sums n
1
756756, 19292117692187340, 2275745987915517509338826880, 540777843742195976921274441959885997900, 192083384534505302178334348591748127157718391470256
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A172670 A172769 A172837 * A306959 A137468 A183825
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved