A316241 Number of nX5 0..1 arrays with every element unequal to 0, 2, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

1, 82, 520, 7017, 99193, 1402577, 20134728, 288724218, 4148322120, 59622836393, 857062237121, 12321770931574, 177150135999874, 2546953356484150, 36618737013818300, 526486735453948849, 7569588993421064412

Offset

1,2

Comments

Column 5 of A316244.

Links

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

Example

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

Crossrefs

Cf. A316244.

Sequence in context: A082972 A288920 A304416 * A305951 A317212 A282773

Adjacent sequences: A316238 A316239 A316240 * A316242 A316243 A316244

Keyword

nonn

Author

R. H. Hardin, Jun 27 2018

Status

approved