A317268 Number of nX5 0..1 arrays with every element unequal to 0, 2, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

1, 82, 240, 2922, 31878, 269286, 2915690, 29663556, 295164308, 3039514730, 30907609844, 314130138726, 3205384940552, 32641755211827, 332497396827382, 3388239839699895, 34517291632644134, 351668595075830438

Offset

1,2

Comments

Column 5 of A317271.

Links

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

Example

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

Crossrefs

Cf. A317271.

Sequence in context: A316373 A309033 A306133 * A258739 A048513 A227704

Adjacent sequences: A317265 A317266 A317267 * A317269 A317270 A317271

Keyword

nonn

Author

R. H. Hardin, Jul 25 2018

Status

approved