A298237 Number of nX5 0..1 arrays with every element equal to 0, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero.

1, 127, 409, 8117, 107163, 1636306, 25784604, 403231105, 6388232748, 101019947961, 1600579926667, 25362044431945, 401945539707564, 6370787304340823, 100977425432512183, 1600537530167481855

Offset

1,2

Comments

Column 5 of A298240.

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..1..1..0..1. .0..1..1..0..0. .0..0..1..1..0
..1..1..0..1..1. .1..1..1..0..0. .1..1..0..1..0. .0..1..1..0..0
..0..1..0..0..1. .0..1..0..0..0. .0..1..1..0..0. .1..1..0..1..1
..1..1..0..0..1. .1..1..0..1..1. .0..0..1..0..1. .1..0..1..0..1
..0..1..1..1..1. .0..1..1..1..1. .1..0..0..1..1. .0..0..0..0..0

Crossrefs

Cf. A298240.

Sequence in context: A122691 A082251 A142384 * A299363 A250892 A129537

Adjacent sequences: A298234 A298235 A298236 * A298238 A298239 A298240

Keyword

nonn

Author

R. H. Hardin, Jan 15 2018

Status

approved