A303529 Number of 6Xn 0..1 arrays with every element equal to 0, 1, 3, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

32, 42, 246, 1115, 9225, 102779, 1052163, 10663440, 122173279, 1457887585, 16618141169, 186784834355, 2163723243263, 25303642248607, 291288603195002, 3336138374158889, 38555143474838580, 446911479366972044

Offset: 1

Author

R. H. Hardin, Apr 25 2018

Keywords

• nonn

Comments

Row 6 of A303525.

Examples

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

Links

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

Crossrefs

Cf. A303525.