A317151 Number of n X 6 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.

32, 284, 1251, 10682, 120427, 960577, 8398085, 79355311, 704559110, 6285452489, 57237767863, 515582176553, 4639154328124, 41932155483798, 378374698881107, 3412436371702947, 30803844913611767, 278001591740834963

Offset

1,1

Comments

Column 6 of A317153.

Links

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

Example

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

Crossrefs

Cf. A317153.

Sequence in context: A305640 A317034 A305909 * A316881 A317609 A251782

Adjacent sequences: A317148 A317149 A317150 * A317152 A317153 A317154

Keyword

nonn

Author

R. H. Hardin, Jul 22 2018

Status

approved