A299559 Number of nX6 0..1 arrays with every element equal to 0, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

1, 65, 57, 230, 1094, 4315, 18032, 75491, 325547, 1416774, 6187701, 27013886, 117918230, 514866750, 2248861295, 9826797188, 42947569488, 187715747196, 820514753565, 3586597539334, 15677880073962, 68532680245349

Offset

1,2

Comments

Column 6 of A299561.

Links

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

Example

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

Crossrefs

Cf. A299561.

Sequence in context: A302458 A303240 A298725 * A130764 A043625 A296877

Adjacent sequences: A299556 A299557 A299558 * A299560 A299561 A299562

Keyword

nonn

Author

R. H. Hardin, Feb 12 2018

Status

approved