A305285 Number of n X 5 0..1 arrays with every element unequal to 1, 2, 3, 4 or 8 king-move adjacent elements, with upper left element zero.

3, 313, 895, 8431, 41446, 301533, 1847322, 12314089, 80678010, 526137481, 3481542013, 22776996398, 150218677027, 986628682316, 6493406925686, 42707158770594, 280923646529256, 1848097254303284, 12156318968086178

Offset

1,1

Comments

Column 5 of A305288.

Links

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

Example

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

Crossrefs

Cf. A305288.

Sequence in context: A062333 A222725 A303893 * A304898 A316580 A304594

Adjacent sequences: A305282 A305283 A305284 * A305286 A305287 A305288

Keyword

nonn

Author

R. H. Hardin, May 29 2018

Status

approved