A298285 Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 3 or 6 king-move adjacent elements, with upper left element zero.

32, 969, 1860, 7006, 29673, 121368, 484412, 1948367, 7872325, 31637261, 127153602, 512260919, 2062563727, 8300934960, 33419758863, 134557093207, 541722581998, 2181055128779, 8781620249676, 35357933470594, 142366009240179

Offset

1,1

Comments

Column 6 of A298287.

Links

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

Example

Some solutions for n=6
..0..0..0..1..1..0. .0..1..0..0..1..0. .0..1..0..0..1..1. .0..0..0..0..0..0
..1..0..1..0..1..0. .0..1..1..1..1..1. .1..1..0..1..0..1. .1..1..0..1..1..0
..1..1..1..0..0..0. .0..0..0..0..0..0. .0..1..0..1..0..0. .0..0..0..0..0..1
..1..0..1..0..1..0. .1..1..1..1..1..0. .0..0..0..1..0..1. .1..1..1..1..1..0
..1..0..1..0..1..0. .1..0..0..0..0..1. .0..1..0..1..0..1. .1..0..0..0..0..1
..1..0..0..1..1..0. .0..0..1..1..0..1. .0..1..0..1..0..0. .0..1..1..0..1..1

Crossrefs

Cf. A298287.

Sequence in context: A220743 A115612 A281342 * A299357 A299178 A299940

Adjacent sequences: A298282 A298283 A298284 * A298286 A298287 A298288

Keyword

nonn

Author

R. H. Hardin, Jan 16 2018

Status

approved