A221123 Number of nX5 arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor.

55, 19005, 6405243, 2152770692, 723234356389, 242959402596630, 81617731119238274, 27417937131776836980, 9210537138678339648264, 3094105581109088805200095, 1039406189945536764054814983

Offset: 1

Author

R. H. Hardin Jan 02 2013

Keywords

• nonn

Comments

Column 5 of A221125

Examples

			Some solutions for n=3
..0..1..1..2..0....0..1..3..0..0....0..1..2..1..0....0..1..3..1..0
..0..3..0..4..1....0..3..0..1..1....0..3..0..1..0....0..4..1..2..1
..0..1..0..1..1....0..3..1..2..0....0..4..2..1..0....0..0..0..1..1