A299604 Number of nX5 0..1 arrays with every element equal to 1, 2, 3, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

3, 166, 424, 1446, 5125, 18273, 62547, 215175, 740442, 2539018, 8753052, 30227367, 104305934, 360259911, 1244822173, 4301556147, 14870776980, 51423668704, 177844888394, 615173366886, 2128240710669, 7363527937824, 25479651392988

Offset

1,1

Comments

Column 5 of A299607.

Links

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

Example

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

Crossrefs

Cf. A299607.

Sequence in context: A297990 A298843 A298650 * A100908 A180449 A142200

Adjacent sequences: A299601 A299602 A299603 * A299605 A299606 A299607

Keyword

nonn

Author

R. H. Hardin, Feb 14 2018

Status

approved