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A172921 Number of n X n 0..7 arrays with row sums 15 and column sums 15 1
0, 0, 406, 11492512, 3178005285051, 6245350445865892320, 71187872386623811677450179, 3978462276964182243369639664709376, 948836768023263746262225246333504275312592 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

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

CROSSREFS

Sequence in context: A317982 A203936 A172891 * A063138 A118327 A213606

Adjacent sequences:  A172918 A172919 A172920 * A172922 A172923 A172924

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 2010

STATUS

approved

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Last modified December 6 22:42 EST 2021. Contains 349567 sequences. (Running on oeis4.)