A172962 Number of n X n 0..9 arrays with row sums n and column sums n.

1, 3, 55, 10147, 22069251, 602351808741, 215717608046511873, 1046591482728407939338275, 70417932475495769964322670258947, 66879971495995556019851723767661130580273

Offset

1,2

Links

R. H. Hardin, Table of n, a(n) for n=1..11

Crossrefs

Sequence in context: A172907 A172932 A172950 * A110058 A083869 A290773

Adjacent sequences: A172959 A172960 A172961 * A172963 A172964 A172965

Keyword

nonn

Author

R. H. Hardin, Feb 06 2010

Status

approved