A316424 Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

8, 53, 75, 279, 1097, 2861, 8761, 29548, 87743, 267014, 852011, 2613798, 8010627, 25059671, 77493561, 238742592, 741591622, 2296781315, 7095431795, 21986851748, 68096790001, 210634870222, 652206968973, 2019587632463, 6250154347151

Offset

1,1

Comments

Column 5 of A316427.

Links

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

Example

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

Crossrefs

Cf. A316427.

Sequence in context: A316612 A304666 A306169 * A317426 A212754 A099622

Adjacent sequences: A316421 A316422 A316423 * A316425 A316426 A316427

Keyword

nonn

Author

R. H. Hardin, Jul 02 2018

Status

approved