A283855 Number of nX6 0..1 arrays with no 1 equal to more than three of its horizontal, diagonal and antidiagonal neighbors.

64, 3444, 131617, 5742620, 247708452, 10634931992, 457711375590, 19691576356912, 847128290367194, 36444929121796824, 1567908124985085704, 67453445523667228919, 2901937047259631494910, 124845166900328034875120

Offset

1,1

Comments

Column 6 of A283857.

Links

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

Example

Some solutions for n=3
..1..0..0..0..0..0. .1..0..1..0..0..0. .0..1..1..0..1..0. .0..1..1..0..0..0
..0..1..1..0..1..1. .0..1..0..0..0..1. .0..0..1..0..0..1. .1..0..1..0..0..0
..0..1..1..0..0..0. .0..1..1..0..0..1. .0..1..1..0..1..0. .0..0..1..1..0..0

Crossrefs

Cf. A283857.

Sequence in context: A299674 A299752 A300266 * A283413 A264210 A264221

Adjacent sequences: A283852 A283853 A283854 * A283856 A283857 A283858

Keyword

nonn

Author

R. H. Hardin, Mar 17 2017

Status

approved