A217271 Number of nX6 arrays of occupancy after each element moves to some horizontal or vertical neighbor.

16, 20736, 17640000, 14755689729, 12276607432401, 10211121295308649, 8491624540729737796, 7061648944253957079481, 5872435140472364430803929, 4883489824271582246264899984, 4061085890163124328387958867561

Offset: 1

Author

R. H. Hardin Sep 29 2012

Keywords

• nonn

Comments

Column 6 of A217273

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..15