A267792 Number of 6Xn 0..1 arrays with every repeated value in every row greater than or equal to, and in every column greater than, the previous repeated value.

16, 256, 4096, 44742, 460598, 4245574, 37282358, 312449872, 2540944329, 20159382751, 157057696653, 1206033664639, 9157807121914, 68919889770321, 515005090966233, 3826399784437020, 28297799131011777, 208480992623889542

Offset: 1

Author

R. H. Hardin, Jan 20 2016

Keywords

• nonn

Comments

Row 6 of A267788.

Examples

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

Links

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

Crossrefs

Cf. A267788.