A269141 Number of nX6 0..3 arrays with some element plus some horizontally, antidiagonally or vertically adjacent neighbor totalling three no more than once.

2592, 408596, 54199284, 6766301156, 815458664276, 95884587957284, 11067174233536260, 1259009098075800036, 141573069581490127524, 15769412440038867100180, 1742724618979587037657388

Offset: 1

Author

R. H. Hardin, Feb 20 2016

Keywords

• nonn

Comments

Column 6 of A269143.

Examples

			Some solutions for n=2
..2..0..2..3..2..2. .0..2..3..1..0..0. .0..2..0..1..3..3. .1..1..1..1..1..1
..0..1..3..3..2..3. .0..2..1..1..0..0. .0..2..1..3..3..1. .0..1..3..3..1..3
		

Links

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

Crossrefs

Cf. A269143.