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A172561 Number of 3*n X n 0..1 arrays with row sums 5 and column sums 15 1
0, 0, 0, 0, 1, 137225088000, 452489654840076972518400, 5638345005774311804302107347272704000, 289360589460480315988823313632867603848637000544000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

LINKS

R. H. Hardin, Table of n, a(n) for n=1..14

CROSSREFS

Sequence in context: A034652 A015402 A108389 * A172600 A172704 A172793

Adjacent sequences:  A172558 A172559 A172560 * A172562 A172563 A172564

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 2010

STATUS

approved

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Last modified February 18 02:57 EST 2020. Contains 332006 sequences. (Running on oeis4.)