A172811 Number of n X n 0..4 arrays with row sums 6 and column sums 6

0, 3, 217, 91140, 128843140, 511508441781, 4960069104562005, 105468145309870490840, 4512934309457492170923216, 362415672451851793780617637200, 51563823623409518633102950412670240

Offset

1,2

Links

R. H. Hardin, Table of n, a(n) for n=1..25

Crossrefs

Sequence in context: A225362 A373055 A063836 * A247070 A140441 A261385

Adjacent sequences: A172808 A172809 A172810 * A172812 A172813 A172814

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved