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

1,1

Comments

Column 6 of A269143.

Links

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

Example

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

Crossrefs

Cf. A269143.

Sequence in context: A360841 A269192 A033695 * A269199 A269107 A035773

Adjacent sequences: A269138 A269139 A269140 * A269142 A269143 A269144

Keyword

nonn

Author

R. H. Hardin, Feb 20 2016

Status

approved