A303251 Number of nX5 0..1 arrays with every element equal to 1, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

3, 146, 955, 10264, 106803, 1105676, 11394429, 118856245, 1230109648, 12757693309, 132384613354, 1372891293534, 14239793474152, 147709542193598, 1532064286940632, 15891180965080859, 164830841395830095

Offset: 1

Author

R. H. Hardin, Apr 20 2018

Keywords

• nonn

Comments

Column 5 of A303254.

Examples

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

Links

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

Crossrefs

Cf. A303254.