A162048 Number of n X n binary arrays with rows and columns, considered as binary numbers, in nondecreasing order, and no more than 6 ones in any row or column

2, 7, 45, 650, 24520, 2625117, 772423369, 547602149421, 799176231553933

Offset

1,1

Links

Table of n, a(n) for n=1..9.

Crossrefs

Sequence in context: A266908 A162046 A162047 * A162049 A162050 A162051

Adjacent sequences: A162045 A162046 A162047 * A162049 A162050 A162051

Keyword

nonn

Author

R. H. Hardin Jun 25 2009

Status

approved