A298286 Number of n X 7 0..1 arrays with every element equal to 0, 1, 2, 3 or 6 king-move adjacent elements, with upper left element zero.

64, 3281, 5631, 22768, 104357, 484412, 2195114, 10198130, 48049615, 223679467, 1041721806, 4887086809, 22919253272, 107350787328, 503656777755, 2365442130353, 11109565255936, 52202648890916, 245464176631920

Offset

1,1

Comments

Column 7 of A298287.

Links

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

Example

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

Crossrefs

Cf. A298287.

Sequence in context: A260857 A183814 A281343 * A299358 A299179 A299941

Adjacent sequences: A298283 A298284 A298285 * A298287 A298288 A298289

Keyword

nonn

Author

R. H. Hardin, Jan 16 2018

Status

approved