A298317 Number of n X 5 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 king-move adjacent elements, with upper left element zero.

8, 34, 17, 119, 507, 934, 6236, 28894, 110488, 622009, 3049916, 14018671, 73811194, 367730182, 1780561104, 9123925882, 45610653026, 225153627304, 1139574453318, 5701870326247, 28374918210978, 142791675905301, 714723290068185

Offset

1,1

Comments

Column 5 of A298320.

Links

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

Example

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

Crossrefs

Cf. A298320.

Sequence in context: A297904 A298498 A091720 * A299390 A299191 A300027

Adjacent sequences: A298314 A298315 A298316 * A298318 A298319 A298320

Keyword

nonn

Author

R. H. Hardin, Jan 17 2018

Status

approved