A172534 Number of n X n 0..1 arrays with row sums 12 and column sums 12.

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 6227020800, 676508133623135814000, 65662040698002721810659005184000, 6892692735539278753058456514221737762215000

Offset

1,13

Links

R. H. Hardin, Table of n, a(n) for n=1..18

Crossrefs

Column k=12 of A008300.

Sequence in context: A210727 A004675 A011524 * A198807 A358489 A281222

Adjacent sequences: A172531 A172532 A172533 * A172535 A172536 A172537

Keyword

nonn

Author

R. H. Hardin, Feb 06 2010

Status

approved