A299578 Number of nX5 0..1 arrays with every element equal to 0, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

1, 5, 27, 43, 172, 616, 1734, 6188, 22944, 81842, 317791, 1272121, 5194355, 21911799, 94300422, 411064631, 1815604304, 8084506399, 36196458063, 162816459110, 734506580454, 3320321522905, 15033093954792, 68133620377743

Offset

1,2

Comments

Column 5 of A299581.

Links

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

Example

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

Crossrefs

Cf. A299581.

Sequence in context: A056154 A156215 A058490 * A308829 A136917 A181890

Adjacent sequences: A299575 A299576 A299577 * A299579 A299580 A299581

Keyword

nonn

Author

R. H. Hardin, Feb 13 2018

Status

approved