A299812 Number of nX6 0..1 arrays with every element equal to 0, 1, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

13, 112, 519, 11312, 91721, 1881856, 32361748, 503025918, 9210499641, 162619848377, 2779832332921, 49537749769897, 872744795421449, 15252639594284895, 269369548453911142, 4741774212738765903

Offset

1,1

Comments

Column 6 of A299814.

Links

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

Example

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

Crossrefs

Cf. A299814.

Sequence in context: A299126 A299884 A299050 * A099111 A264451 A299687

Adjacent sequences: A299809 A299810 A299811 * A299813 A299814 A299815

Keyword

nonn

Author

R. H. Hardin, Feb 19 2018

Status

approved