A316237 Number of nX6 0..1 arrays with every element unequal to 0, 1, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

13, 125, 153, 1135, 6518, 42075, 496125, 5256306, 54317972, 654763535, 7692611164, 87530324083, 1030945146251, 12126445090240, 141144001467291, 1653160662473734, 19389401589773948, 226787823459888605

Offset

1,1

Comments

Column 6 of A316239.

Links

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

Example

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

Crossrefs

Cf. A316239.

Sequence in context: A304353 A305916 A134550 * A317158 A305647 A316923

Adjacent sequences: A316234 A316235 A316236 * A316238 A316239 A316240

Keyword

nonn

Author

R. H. Hardin, Jun 27 2018

Status

approved