A172543 Number of n X n 0..1 arrays with row sums 15 and column sums 15.

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 20922789888000, 10268902998771351157327104000, 2767806480542211571651550187279222472704000

Offset

1,16

Links

R. H. Hardin, Table of n, a(n) for n=1..20

Crossrefs

Column k=15 of A008300.

Sequence in context: A217797 A255359 A011527 * A298820 A246110 A015438

Adjacent sequences: A172540 A172541 A172542 * A172544 A172545 A172546

Keyword

nonn

Author

R. H. Hardin, Feb 06 2010

Status

approved