A172620 Number of n X n 0..2 arrays with row sums 12 and column sums 12

0, 0, 0, 0, 0, 1, 9135630, 589985590963930, 78459796857685317493440, 23086954810641629693375704674000, 15464071313054035722739424623204673044920

Offset

1,7

Links

R. H. Hardin, Table of n, a(n) for n=1..14

Crossrefs

Sequence in context: A335581 A015350 A233613 * A172711 A187675 A205615

Adjacent sequences: A172617 A172618 A172619 * A172621 A172622 A172623

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved