A268030 Number of 6Xn 0..2 arrays with every repeated value in every row greater than or equal to, and in every column greater than, the previous repeated value.

394, 155236, 61162984, 19177213020, 5458407864352, 1411837587469431, 339437646632621026, 76740959189961339827, 16475994752433970120239

Offset: 1

Author

R. H. Hardin, Jan 24 2016

Keywords

• nonn

Comments

Row 6 of A268026.

Examples

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

Crossrefs

Cf. A268026.