A232159 Number of nX6 0..3 arrays with every 0 next to a 1, every 1 next to a 2 and every 2 next to a 3 horizontally, vertically or antidiagonally, and no adjacent values equal.

26, 2600, 27086, 286770, 3183932, 36275078, 415332300, 4764939084, 54785401618, 629979277720, 7246595856072, 83366908500616, 959177256873984, 11035264357800498, 126966562329855518, 1460839965204197890

Offset: 1

Author

R. H. Hardin, Nov 19 2013

Keywords

• nonn

Comments

Column 6 of A232161

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..210