A299449 Number of nX6 0..1 arrays with every element equal to 0, 1, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

13, 32, 6, 36, 163, 211, 804, 3138, 4869, 21921, 69029, 124071, 546218, 1618499, 3376921, 13736175, 39336909, 93790311, 354629529, 1001089492, 2646208503, 9425431827, 26696252479, 75904957451, 258154313037, 742028632025

Offset

1,1

Comments

Column 6 of A299451.

Links

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

Example

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

Crossrefs

Cf. A299451.

Sequence in context: A159670 A238736 A087511 * A300087 A118513 A212757

Adjacent sequences: A299446 A299447 A299448 * A299450 A299451 A299452

Keyword

nonn

Author

R. H. Hardin, Feb 10 2018

Status

approved