A222767 Number of nX6 0..1 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order.

4, 73, 934, 15077, 256546, 4479721, 79612578, 1432512703, 26011740182, 475591230143, 8742929996332, 161434491485598, 2991759796200596, 55616288265939185, 1036645299974444114, 19366819201445345894

Offset: 1

Author

R. H. Hardin Mar 05 2013

Keywords

• nonn

Comments

Column 6 of A222769

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..152