A231517 Number of n X n 0..1 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors.

2, 10, 153, 7697, 1031105, 451200772, 697702378939, 3293112511839389, 46764849359077493872, 2109508899293218313962632

Offset: 1

Author

R. H. Hardin, Nov 10 2013

Keywords

• nonn

Comments

Diagonal of A231523.

Examples

			Some solutions for n=4
..0..0..0..0....1..0..1..1....0..1..1..1....0..0..0..0....1..0..0..0
..1..0..0..0....0..0..0..0....1..0..1..1....0..0..0..1....1..0..0..1
..1..1..0..1....0..0..0..0....0..0..0..1....0..0..0..0....0..0..0..0
..0..0..1..1....1..1..1..0....0..1..1..0....1..1..1..0....1..1..1..0
		

Crossrefs

Cf. A231523.