A302526 Number of nX6 0..1 arrays with every element equal to 1, 2, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

5, 45, 290, 1977, 23909, 182773, 1551340, 18089458, 155010391, 1441103898, 14993036510, 137595549895, 1311553678481, 12995883033340, 122771875897789, 1178882157960810, 11465157388913564, 109566686589917765

Offset: 1

Author

R. H. Hardin, Apr 09 2018

Keywords

• nonn

Comments

Column 6 of A302528.

Examples

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

Links

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

Crossrefs

Cf. A302528.