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A172713 Number of 7*n X 7 0..2 arrays with row sums 3 and column sums 3*n 1
3758757240, 8610740229284196003000, 42758542523186088601256526892620000, 295799727163686817428226118102222383709995755000, 2462059619716250949213618993808700317296159580533060054282240 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

R. H. Hardin, Table of n, a(n) for n=1..12

CROSSREFS

Sequence in context: A135915 A104330 A233607 * A121110 A352531 A233599

Adjacent sequences: A172710 A172711 A172712 * A172714 A172715 A172716

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 2010

STATUS

approved

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Last modified February 8 04:10 EST 2023. Contains 360134 sequences. (Running on oeis4.)