A267917 Number of 6Xn 0..2 arrays with every repeated value in every row unequal to the previous repeated value, and in every column equal to the previous repeated value, and new values introduced in row-major sequential order.

88, 45938, 12017350, 3774659262, 922017784240, 235078226435316, 54141843502625776, 12518028308236272012, 2766574072615661515144

Offset: 1

Author

R. H. Hardin, Jan 22 2016

Keywords

• nonn

Comments

Row 6 of A267911.

Examples

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

Crossrefs

Cf. A267911.