A316302 Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 4, 6 or 8 king-move adjacent elements, with upper left element zero.

32, 184, 245, 1021, 5120, 20780, 97864, 444290, 2065314, 9512624, 44301249, 205619544, 956935408, 4450821604, 20715517540, 96409352158, 448769794879, 2088947937783, 9724199071671, 45267221679679, 210727012518395

Offset

1,1

Comments

Column 6 of A316304.

Links

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

Example

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

Crossrefs

Cf. A316304.

Sequence in context: A303798 A305243 A304477 * A165002 A165010 A304846

Adjacent sequences: A316299 A316300 A316301 * A316303 A316304 A316305

Keyword

nonn

Author

R. H. Hardin, Jun 29 2018

Status

approved