A317150 Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

16, 94, 389, 2313, 19580, 120427, 786868, 5565982, 37386216, 251404385, 1722010358, 11697694067, 79375389161, 540651642191, 3678216292153, 25014927442397, 170248905205895, 1158541580615472, 7883259866047483

Offset

1,1

Comments

Column 5 of A317153.

Links

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

Example

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

Crossrefs

Cf. A317153.

Sequence in context: A160750 A305908 A316880 * A317608 A379569 A159245

Adjacent sequences: A317147 A317148 A317149 * A317151 A317152 A317153

Keyword

nonn

Author

R. H. Hardin, Jul 22 2018

Status

approved