A162118 Number of n X n binary arrays with rows and columns, considered as graycode numbers, in strictly increasing order

2, 4, 25, 408, 18003, 2289232, 851979730, 942937083934, 3167530249345690, 33089477020771124591, 1100195641116766627675728

Offset

1,1

Links

Table of n, a(n) for n=1..11.

Crossrefs

Sequence in context: A162124 A162125 A162126 * A128774 A218258 A186431

Adjacent sequences: A162115 A162116 A162117 * A162119 A162120 A162121

Keyword

nonn

Author

R. H. Hardin Jun 25 2009

Status

approved