A298256 Number of nX5 0..1 arrays with every element equal to 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.

0, 11, 3, 23, 86, 238, 604, 2492, 7722, 26880, 93816, 323639, 1117834, 3898368, 13506089, 46957460, 163354721, 567902351, 1974550100, 6868633724, 23885771820, 83075178134, 288949706185, 1004983567658, 3495450659632, 12157805469082

Offset

1,2

Comments

Column 5 of A298259.

Links

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

Example

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

Crossrefs

Cf. A298259.

Sequence in context: A317311 A107598 A087100 * A298927 A102380 A204845

Adjacent sequences: A298253 A298254 A298255 * A298257 A298258 A298259

Keyword

nonn

Author

R. H. Hardin, Jan 15 2018

Status

approved