A299744 Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero.

32, 1841, 39015, 932318, 23034971, 564998177, 13855907809, 340475803209, 8367066746663, 205610023207991, 5053051225022903, 124186685476659092, 3052088401297414701, 75010317507953563456, 1843511901460313707848

Offset

1,1

Comments

Column 6 of A299746.

Links

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

Example

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

Crossrefs

Cf. A299746.

Sequence in context: A299079 A299842 A298999 * A299666 A300257 A248073

Adjacent sequences: A299741 A299742 A299743 * A299745 A299746 A299747

Keyword

nonn

Author

R. H. Hardin, Feb 18 2018

Status

approved