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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

R. H. Hardin, Table of n, a(n) for n=1..13

CROSSREFS

Sequence in context: A237098 A172664 A172676 * A172840 A172886 A172916

Adjacent sequences:  A172770 A172771 A172772 * A172774 A172775 A172776

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 2010

STATUS

approved

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Last modified August 11 15:10 EDT 2022. Contains 356066 sequences. (Running on oeis4.)