A172921 Number of n X n 0..7 arrays with row sums 15 and column sums 15

0, 0, 406, 11492512, 3178005285051, 6245350445865892320, 71187872386623811677450179, 3978462276964182243369639664709376, 948836768023263746262225246333504275312592

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