A221691 Number of nX5 arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, without consecutive moves in the same direction.

28, 11036, 2627760, 659020617, 164441398718, 41023076707062, 10233875156794211, 2553004334803146133, 636887763097823284411, 158881831138559422724173, 39635611567879464460692735

Offset: 1

Author

R. H. Hardin Jan 22 2013

Keywords

• nonn

Comments

Column 5 of A221693

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..17