A172753 - OEIS

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A172753

Number of 2*n X n 0..3 arrays with row sums 3 and column sums 6.

1, 44, 28681, 122975608, 2217051589200, 127676780106968400, 19483897303054057473600, 6882009860546294146142870400, 5078640963785630003833500263433600

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

R. H. Hardin, Table of n, a(n) for n=1..42

CROSSREFS

Sequence in context: A323315 A007105 A180842 * A268425 A183749 A119096

Adjacent sequences: A172750 A172751 A172752 * A172754 A172755 A172756

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 06 2010

STATUS

approved