A316760 Number of nX5 0..1 arrays with every element unequal to 2, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

0, 61, 151, 2397, 26845, 219766, 2442827, 24591846, 242436003, 2489759311, 25088620389, 253084531775, 2564305503462, 25906203943718, 261893439208183, 2648516039714157, 26773920420375519, 270697739532698029

Offset

1,2

Comments

Column 5 of A316763.

Links

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

Example

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

Crossrefs

Cf. A316763.

Sequence in context: A051646 A142320 A305172 * A211333 A252811 A252804

Adjacent sequences: A316757 A316758 A316759 * A316761 A316762 A316763

Keyword

nonn

Author

R. H. Hardin, Jul 12 2018

Status

approved