A303524 Number of n X 7 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.

21, 363, 916, 8676, 87730, 1052163, 15768709, 260078546, 4544413190, 82599711087, 1526885636233, 28491618817054, 534696956123707, 10062547249007546, 189657515521907356, 3577798561319688546, 67524490517322243151

Offset: 1

Author

R. H. Hardin, Apr 25 2018

Keywords

• nonn

Comments

Column 7 of A303525.

Examples

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

Links

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

Crossrefs

Cf. A303525.