A222677 Number of nX6 0..3 arrays with no more than floor(nX6/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

14, 150, 2398, 58167, 1999404, 96510910, 5825299399, 372722811899, 25643150234387, 1732851881279928, 121094603385909893, 8273098252289456960, 577714636773633984180, 39641590237948653551078, 2761858147163956450688323

Offset: 1

Author

R. H. Hardin Feb 28 2013

Keywords

• nonn

Comments

Column 6 of A222679

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..18