A162051 Number of n X n binary arrays with rows and columns, considered as binary numbers, in nondecreasing order, and no more than 9 ones in any row or column

2, 7, 45, 650, 24520, 2625117, 836488618, 818230288201, 2513135860300849, 24338873864168013556

Offset

1,1

Links

Table of n, a(n) for n=1..10.

Crossrefs

Sequence in context: A162048 A162049 A162050 * A089006 A019004 A027328

Adjacent sequences: A162048 A162049 A162050 * A162052 A162053 A162054

Keyword

nonn

Author

R. H. Hardin Jun 25 2009

Status

approved