A299565 Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

5, 604, 3124, 20044, 140401, 997212, 6974944, 49037025, 345316723, 2430376758, 17109778022, 120507273053, 848674058873, 5976488058850, 42090770441039, 296436570688028, 2087716660985711, 14703351353537119, 103553004320953917

Offset

1,1

Comments

Column 6 of A299567.

Links

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

Example

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

Crossrefs

Cf. A299567.

Sequence in context: A297949 A298558 A298768 * A298387 A299305 A299463

Adjacent sequences: A299562 A299563 A299564 * A299566 A299567 A299568

Keyword

nonn

Author

R. H. Hardin, Feb 12 2018

Status

approved