A183375 Number of n X n binary arrays with no element equal to the mod 3 sum of its king-move neighbors.

1, 5, 28, 225, 2767, 64530, 2952294, 238729120, 34520238211

Offset: 1

Author

R. H. Hardin Jan 04 2011

Keywords

• nonn

Comments

Diagonal of A183380

Examples

			Some solutions for 5X5
..1..1..0..0..1....0..0..0..1..0....1..1..0..1..1....1..0..0..0..0
..0..1..0..0..0....1..0..1..0..1....1..0..1..1..0....0..0..0..1..0
..0..1..0..1..0....1..1..1..0..1....0..0..1..1..0....1..0..0..0..0
..1..1..0..0..0....0..1..1..1..1....0..0..1..1..1....0..0..0..0..0
..0..0..0..1..0....0..1..0..0..1....0..1..1..0..1....0..1..0..0..1