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A172707 Number of 7*n X n 0..2 arrays with row sums 2 and column sums 14 1
1, 616227, 338183208699840, 17928312105849154413381000, 29871310888030132154949642916374456000, 792606936905424716827805609592848631050897983368000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

R. H. Hardin, Table of n, a(n) for n=1..13

CROSSREFS

Sequence in context: A317480 A206510 A172635 * A254913 A254906 A257208

Adjacent sequences:  A172704 A172705 A172706 * A172708 A172709 A172710

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 2010

STATUS

approved

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Last modified December 7 22:22 EST 2021. Contains 349589 sequences. (Running on oeis4.)