A231389 Number of (n+1)X(n+1) 0..2 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order.

3, 8, 100, 1096, 41237, 3002376, 374180527, 105642740621

Offset: 1

Author

R. H. Hardin, Nov 08 2013

Keywords

• nonn

Comments

Diagonal of A231396

Examples

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