A239541 Number of (7+1)X(n+1) 0..2 arrays with no element equal to all horizontal neighbors or unequal to all vertical neighbors, and new values 0..2 introduced in row major order.

405, 7790, 984150, 71388971, 5988724293, 482858009716, 39351464058085, 3197707959464813, 260051519640219195, 21143995321557570468, 1719253480434235036170, 139793164967480337703364

Offset: 1

Author

R. H. Hardin, Mar 21 2014

Keywords

• nonn

Comments

Row 7 of A239537

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..204