A172795 - OEIS

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A172795

Number of 7*n X n 0..3 arrays with row sums 3 and column sums 21.

1, 25288120, 8590448906009178865, 2089345627982707177699421140008960, 77513216887442246128882408582036570535556173496000, 168135704190434138519823546360671865844450109820045620452225487496000

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

OFFSET

1,2

LINKS

R. H. Hardin, Table of n, a(n) for n=1..10

CROSSREFS

Sequence in context: A187439 A175580 A204778 * A056915 A233448 A112130

Adjacent sequences: A172792 A172793 A172794 * A172796 A172797 A172798

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 06 2010

STATUS

approved