A221199 Number of nX6 arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, with no occupancy greater than 2.

16, 6400, 2518569, 1026177156, 420771471561, 172850051090025, 71030642332905025

Offset: 1

Author

R. H. Hardin Jan 04 2013

Keywords

• nonn

Comments

Column 6 of A221200

Examples

			Some solutions for n=3
..0..1..2..1..2..0....0..1..1..1..1..0....0..1..2..2..2..2....0..1..1..1..2..0
..0..2..2..1..0..1....0..2..2..1..2..1....0..1..1..1..1..0....0..1..1..2..2..1
..0..2..1..0..2..1....0..1..1..2..2..0....0..1..2..1..1..0....0..2..1..0..2..1