A172958 Number of n X n 0..9 arrays with row sums 9 and column sums 9.

1, 1, 10, 1540, 2309384, 20856798285, 842286559093240, 123538613356253145400, 56272722406349235035916800, 70417932475495769964322670258947, 219302242655748448462474951981229489200

Offset

0,3

Links

R. H. Hardin, Table of n, a(n) for n = 0..15

Crossrefs

Column k=9 of A257493.

Sequence in context: A194792 A133216 A099128 * A286397 A160236 A204466

Adjacent sequences: A172955 A172956 A172957 * A172959 A172960 A172961

Keyword

nonn

Author

R. H. Hardin, Feb 06 2010

Status

approved