A162067 Number of n X n binary arrays with rows and columns, considered as graycode numbers, in nondecreasing order, and no more than 3 ones in any row or column

2, 8, 58, 613, 9511, 203053, 5614678, 193036007, 8017330815, 393653653238

Offset

1,1

Links

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

Crossrefs

Sequence in context: A063074 A319590 A005804 * A179534 A256034 A086907

Adjacent sequences: A162064 A162065 A162066 * A162068 A162069 A162070

Keyword

nonn

Author

R. H. Hardin Jun 25 2009

Status

approved