A221000 Number of nX5 arrays of occupancy after each element stays put or moves to some horizontal or vertical neighbor.

55, 29135, 14113081, 6758547145, 3229188933738, 1542208831960569, 736464037749057990, 351682265933341657231

Offset: 1

Author

R. H. Hardin Dec 28 2012

Keywords

• nonn

Comments

Column 5 of A221001

Examples

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