A231223 Number of (n+2)X(4+2) 0..2 arrays with no element unequal to a strict majority of its horizontal, vertical, diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order.

6, 17, 54, 182, 812, 2962, 12179, 50196, 205057, 864270, 3593492, 15094003, 63545858, 267204717, 1127304903, 4753575829, 20059305680, 84691952803, 357558971694, 1510077601850, 6377796652031, 26938452104661, 113791455759187

Offset: 1

Author

R. H. Hardin, Nov 05 2013

Keywords

• nonn

Comments

Column 4 of A231227

Examples

			Some solutions for n=5
..0..0..0..0..1..1....0..0..0..0..0..0....0..0..1..1..1..1....0..0..0..1..1..1
..0..0..0..0..1..1....0..0..1..1..0..0....0..0..1..1..1..1....0..0..0..1..1..1
..0..0..0..1..1..1....1..1..1..1..1..1....0..0..0..1..1..1....0..0..0..0..1..1
..0..0..1..1..2..2....1..1..1..1..1..1....2..2..0..0..0..0....0..0..0..0..1..1
..1..1..1..2..2..2....2..2..1..1..1..1....2..2..2..0..0..0....0..0..1..1..0..0
..1..1..2..2..2..2....2..2..2..2..2..2....2..2..2..0..0..0....1..1..1..1..0..0
..1..1..2..2..2..2....2..2..2..2..2..2....2..2..2..0..0..0....1..1..1..1..0..0
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..210
• R. H. Hardin, Empirical recurrence of order 96

Formula

Empirical recurrence of order 96 (see link above)