A297017 Number of nX5 0..1 arrays with each 1 adjacent to 3, 4 or 6 king-move neighboring 1s.

1, 8, 39, 150, 852, 5878, 36508, 257339, 1897582, 13546124, 99062938, 730631648, 5352541480, 39385482959, 290323776295, 2137176029793, 15745384555599, 116047495611888, 855066620245327, 6301299509638167, 46440600081326500

Offset

1,2

Comments

Column 5 of A297020.

Links

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

Example

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

Crossrefs

Cf. A297020.

Sequence in context: A318267 A063002 A055581 * A134415 A097787 A215731

Adjacent sequences: A297014 A297015 A297016 * A297018 A297019 A297020

Keyword

nonn

Author

R. H. Hardin, Dec 23 2017

Status

approved