A298219 Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 4 or 5 king-move adjacent elements, with upper left element zero.

32, 157, 195, 1492, 6598, 25717, 150617, 749072, 3768994, 20393224, 106066124, 556195274, 2954907194, 15557703954, 82124285924, 434539039615, 2295009472389, 12128635280254, 64125706558072, 338931941092437, 1791630458583318

Offset

1,1

Comments

Column 6 of A298221.

Links

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

Example

Some solutions for n=7
..0..1..0..0..1..1. .0..0..1..1..1..0. .0..0..1..1..0..1. .0..0..1..0..1..1
..0..0..0..0..0..0. .1..1..1..1..0..0. .1..1..0..0..1..1. .1..0..1..0..0..1
..1..1..1..1..0..1. .1..0..0..1..0..0. .0..0..0..0..1..1. .0..0..1..0..0..0
..0..0..0..0..0..1. .1..1..1..1..0..1. .1..1..0..1..1..0. .0..0..1..0..1..1
..1..0..0..0..1..0. .1..1..0..0..0..0. .1..0..0..1..1..0. .1..0..0..0..1..0
..0..1..1..1..1..1. .0..1..0..1..0..0. .0..0..0..1..1..0. .0..1..1..1..1..1
..1..0..1..1..0..0. .0..1..1..1..0..1. .1..1..1..0..0..1. .1..0..1..1..0..0

Crossrefs

Cf. A298221.

Sequence in context: A197621 A318159 A035286 * A299348 A299095 A299877

Adjacent sequences: A298216 A298217 A298218 * A298220 A298221 A298222

Keyword

nonn

Author

R. H. Hardin, Jan 15 2018

Status

approved