A162051 - OEIS

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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

0

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

(list; graph; refs; listen; history; text; internal format)

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