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A172886 Number of 3*n X 9 0..5 arrays with row sums 6 and column sums 2*n 1
352128, 811889208811800, 4791845694620286764862960, 42869833252266149325697583980525320, 486080087657753670049657485797288505931441728 (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: A172676 A172773 A172840 * A172916 A172765 A205632

Adjacent sequences:  A172883 A172884 A172885 * A172887 A172888 A172889

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 2010

STATUS

approved

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Last modified July 4 16:46 EDT 2022. Contains 355081 sequences. (Running on oeis4.)