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A172536 Number of n X n 0..1 arrays with row sums 8 and column sums 8. 1
0, 0, 0, 0, 0, 0, 0, 1, 362880, 1371785398200, 7673688777463632000, 65599839591251908982712750, 885282776210120715086715619724160, 19040419266278799766631032461849139013040 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,9

LINKS

R. H. Hardin, Table of n, a(n) for n=1..22

CROSSREFS

Column k=8 of A008300.

Sequence in context: A246220 A160319 A227671 * A287085 A071551 A181725

Adjacent sequences:  A172533 A172534 A172535 * A172537 A172538 A172539

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 06 2010

STATUS

approved

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Last modified October 28 09:28 EDT 2021. Contains 348327 sequences. (Running on oeis4.)