A316373 Number of nX5 0..1 arrays with every element unequal to 0, 2, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero.

1, 82, 217, 2186, 16817, 128585, 1076888, 8858964, 72193958, 597919975, 4928804391, 40604406223, 335224977528, 2765480009680, 22813570474165, 188253417122507, 1553247513837681, 12815665048311615, 105744688382306967

Offset

1,2

Comments

Column 5 of A316376.

Links

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

Example

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

Crossrefs

Cf. A316376.

Sequence in context: A044795 A092229 A304548 * A309033 A306133 A317268

Adjacent sequences: A316370 A316371 A316372 * A316374 A316375 A316376

Keyword

nonn

Author

R. H. Hardin, Jun 30 2018

Status

approved