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A172773 Number of 3*n X 9 0..3 arrays with row sums 6 and column sums 2*n 1
352128, 654393258290520, 2538708180710780880644304, 14906195150068924678040454978560280, 110716878274689761475592889715532248440554848 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A237098 A172664 A172676 * A172840 A172886 A172916
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved

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Last modified June 18 14:18 EDT 2024. Contains 373481 sequences. (Running on oeis4.)