A303256 Number of 5Xn 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.

0, 111, 1183, 8664, 106803, 1218385, 13529019, 153269484, 1719616546, 19364602930, 218131990331, 2454766315292, 27636145270965, 311127611619222, 3502509703999865, 39430191355003478, 443891694271539222

Offset: 1

Author

R. H. Hardin, Apr 20 2018

Keywords

• nonn

Comments

Row 5 of A303254.

Examples

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

Links

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

Crossrefs

Cf. A303254.