A183473 Number of nX8 binary arrays with every element equal to either the sum mod 2 of its vertical neighbors or the sum mod 2 of its horizontal neighbors

19, 872, 13229, 326010, 8501730, 198519483, 4899909637, 121507526212, 2979497367017, 73489774062359, 1813440377196216, 44697344643058766, 1102366528295137327, 27188753392160760574, 670504459729053742994

Offset

1,1

Comments

Column 8 of A183474

Links

R. H. Hardin, Table of n, a(n) for n = 1..143

Example

Some solutions for 4X8
..0..0..0..0..0..1..1..0....0..0..0..0..0..0..0..0....0..0..0..1..0..1..1..0
..0..0..1..1..0..1..0..0....0..1..1..1..0..1..0..1....1..1..0..1..1..0..1..0
..0..0..1..1..0..0..1..0....0..1..1..0..1..1..1..1....0..0..1..1..1..0..0..0
..0..0..0..0..0..1..1..0....0..1..1..0..1..0..1..1....0..1..1..0..1..0..1..1

Crossrefs

Sequence in context: A139194 A176601 A334565 * A217826 A209353 A005535

Adjacent sequences: A183470 A183471 A183472 * A183474 A183475 A183476

Keyword

nonn

Author

R. H. Hardin Jan 05 2011

Status

approved