A162125 Number of n X n binary arrays with rows and columns, considered as graycode numbers, in strictly increasing order, and no more than 8 ones in any row or column

2, 4, 25, 408, 18003, 2289232, 851979730, 942937083934, 3094296827345219

Offset

1,1

Links

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

Crossrefs

Sequence in context: A162122 A162123 A162124 * A162126 A162118 A128774

Adjacent sequences: A162122 A162123 A162124 * A162126 A162127 A162128

Keyword

nonn

Author

R. H. Hardin Jun 25 2009

Status

approved