A172955 Number of n X n 0..9 arrays with row sums 13 and column sums 13

0, 6, 3300, 29325760, 2208879837845, 1087071687451329840, 2832943476223117064033156, 32889801403868602076336080073600, 1473836226725275907157399237234998604948

Offset

1,2

Links

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

Crossrefs

Sequence in context: A079183 A030245 A247965 * A283885 A198706 A198625

Adjacent sequences: A172952 A172953 A172954 * A172956 A172957 A172958

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved