A162047 Number of n X n binary arrays with rows and columns, considered as binary numbers, in nondecreasing order, and no more than 5 ones in any row or column

2, 7, 45, 650, 24520, 2283617, 448131982, 159339385114, 92394371165030

Offset

1,1

Links

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

Crossrefs

Sequence in context: A079491 A266908 A162046 * A162048 A162049 A162050

Adjacent sequences: A162044 A162045 A162046 * A162048 A162049 A162050

Keyword

nonn

Author

R. H. Hardin Jun 25 2009

Status

approved