A172744 Number of n X 9 0..3 arrays with row sums 9 and column sums n.

1, 3139, 19546975, 79089365395, 455886376926451, 3065961180872817781, 22406966527952120859529, 176369571737525105395211155, 1469748355306450464225368161315, 12810903082325592313645532408260249

Offset

1,2

Links

R. H. Hardin, Table of n, a(n) for n=1..26

Crossrefs

Sequence in context: A187639 A322536 A172641 * A172819 A172871 A172901

Adjacent sequences: A172741 A172742 A172743 * A172745 A172746 A172747

Keyword

nonn

Author

R. H. Hardin, Feb 06 2010

Status

approved