A300319 Number of nX6 0..1 arrays with every element equal to 0, 1, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

13, 112, 977, 25797, 345605, 8002885, 178277369, 3616312721, 80381600442, 1771809843352, 38255132358967, 840975945986281, 18445928182312913, 402871600228522507, 8830804008610735461, 193462736828030314852

Offset

1,1

Comments

Column 6 of A300321.

Links

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

Example

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

Crossrefs

Cf. A300321.

Sequence in context: A099111 A264451 A299687 * A199642 A087609 A302307

Adjacent sequences: A300316 A300317 A300318 * A300320 A300321 A300322

Keyword

nonn

Author

R. H. Hardin, Mar 02 2018

Status

approved