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A172840 Number of 3*n X 9 0..4 arrays with row sums 6 and column sums 2*n 1
352128, 811889208811800, 4512934309457492170923216, 37736268336701361777964258280263320, 398985427051117716339042202464595044584127768 (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: A172664 A172676 A172773 * A172886 A172916 A172765

Adjacent sequences:  A172837 A172838 A172839 * A172841 A172842 A172843

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 2010

STATUS

approved

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Last modified July 3 09:44 EDT 2022. Contains 355050 sequences. (Running on oeis4.)