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A172764 Number of 3*n X n 0..3 arrays with row sums 4 and column sums 12 1
0, 141, 95635680, 1557850709802421, 338059904123009135280850, 640278723754096114457315005223400, 7745310191767932461627415566004172302489000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

R. H. Hardin, Table of n, a(n) for n=1..17

CROSSREFS

Sequence in context: A153358 A066627 A172668 * A172836 A087001 A025379

Adjacent sequences:  A172761 A172762 A172763 * A172765 A172766 A172767

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 2010

STATUS

approved

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Last modified April 17 02:26 EDT 2021. Contains 343059 sequences. (Running on oeis4.)