A303034 Number of n X n 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

1, 3, 14, 74, 703, 13597, 345668, 13840842, 1107624272, 184266124741

Offset: 1

Author

R. H. Hardin, Apr 17 2018

Keywords

• nonn

Comments

Diagonal of A303040.

Examples

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

Crossrefs

Cf. A303040.