A316452 Number of n X 5 0..1 arrays with every element unequal to 1, 2, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

3, 51, 58, 229, 1591, 6590, 29406, 180787, 1110885, 5756268, 36802761, 229866739, 1326398339, 8345914515, 51694139615, 311041797197, 1933674989684, 11927131376828, 72834711581082, 450206903590675, 2772873317202237

Offset

1,1

Comments

Column 5 of A316455.

Links

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

Example

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

Crossrefs

Cf. A316455.

Sequence in context: A304055 A305449 A304701 * A227069 A062216 A305012

Adjacent sequences: A316449 A316450 A316451 * A316453 A316454 A316455

Keyword

nonn

Author

R. H. Hardin, Jul 03 2018

Status

approved