A318066 Number of nX6 0..1 arrays with every element unequal to 1, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

5, 925, 25106, 829137, 25994502, 824452611, 26085599617, 825766558967, 26137612655323, 827340810913094, 26187914855079902, 828929888077445798, 26238233470408255316, 830522502196810326973, 26288645611517517319140

Offset

1,1

Comments

Column 6 of A318068.

Links

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

Example

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

Crossrefs

Cf. A318068.

Sequence in context: A015940 A093853 A195627 * A216375 A157332 A332195

Adjacent sequences: A318063 A318064 A318065 * A318067 A318068 A318069

Keyword

nonn

Author

R. H. Hardin, Aug 15 2018

Status

approved