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A172780 Number of 4*n X 4 0..3 arrays with row sums 3 and column sums 3*n 1
2008, 122975608, 11012437532800, 1160317947294167480, 133937216531070195309888, 16391575725348461384454895264, 2089345627982707177699421140008960 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

R. H. Hardin, Table of n, a(n) for n=1..24

CROSSREFS

Sequence in context: A258560 A281987 A172735 * A172807 A153822 A153779

Adjacent sequences:  A172777 A172778 A172779 * A172781 A172782 A172783

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 2010

STATUS

approved

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Last modified August 16 15:34 EDT 2022. Contains 356168 sequences. (Running on oeis4.)