A183516 Number of nX8 binary arrays with each element equal to either the sum mod 2 of its horizontal and vertical neighbors or the sum mod 2 of its diagonal and antidiagonal neighbors

19, 612, 16506, 490864, 10466773, 267932379, 6843217545, 174957270750

Offset

1,1

Comments

Column 8 of A183517

Links

Table of n, a(n) for n=1..8.

Example

Some solutions for 3X8
..0..1..1..0..0..0..1..0....0..0..0..0..0..0..0..0....1..0..1..0..1..1..0..0
..1..0..1..1..0..0..0..1....0..1..0..1..0..0..1..0....1..1..1..0..1..1..0..1
..0..0..1..1..1..1..0..1....1..0..0..1..0..1..0..0....1..1..1..0..1..1..1..0

Crossrefs

Sequence in context: A180841 A266052 A317029 * A290007 A119555 A107118

Adjacent sequences: A183513 A183514 A183515 * A183517 A183518 A183519

Keyword

nonn

Author

R. H. Hardin Jan 05 2011

Status

approved