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A172894 Number of n X n 0..6 arrays with row sums 6 and column sums 6. 4
1, 1, 7, 406, 132724, 164176640, 602351808741, 5562418293759978, 114601242382721619224, 4801114002903931560293544, 379957050243738294456427057200, 53499490664883668314419655562118240 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

R. H. Hardin, Table of n, a(n) for n = 0..25

CROSSREFS

Column k=6 of A257493.

Sequence in context: A160292 A215562 A099125 * A286393 A099742 A287033

Adjacent sequences:  A172891 A172892 A172893 * A172895 A172896 A172897

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 06 2010

STATUS

approved

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Last modified January 21 11:01 EST 2020. Contains 331105 sequences. (Running on oeis4.)