A300257 Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

32, 1841, 40023, 974646, 24735890, 618957455, 15475106013, 388173584774, 9733989458695, 244047630745320, 6119877683436412, 153469991530969214, 3848568699731099635, 96511661088984964043, 2420262545075648187310

Offset

1,1

Comments

Column 6 of A300259.

Links

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

Example

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

Crossrefs

Cf. A300259.

Sequence in context: A298999 A299744 A299666 * A248073 A264015 A239646

Adjacent sequences: A300254 A300255 A300256 * A300258 A300259 A300260

Keyword

nonn

Author

R. H. Hardin, Mar 01 2018

Status

approved