A232284 Number of 4Xn 0..2 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors.

81, 341, 18117, 604133, 17145989, 450287974, 13094741315, 395698652441, 11688008077057, 337938770928273, 9800299647018934, 286640525559424646, 8393401125409013965, 245088532914340963777, 7148359187516040367173

Offset: 1

Author

R. H. Hardin, Nov 22 2013

Keywords

• nonn

Comments

Row 4 of A232281

Examples

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

Links

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