login
A172950
Number of n X n 0..8 arrays with row sums n and column sums n
1
1, 3, 55, 10147, 22069251, 602351808741, 215717608046511873, 1046591482728407939338275, 70413374705157290394475959841507, 66845086415203272975671039831846565573553
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A172873 A172907 A172932 * A172962 A110058 A083869
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved