A298228 Number of nX6 0..1 arrays with every element equal to 0, 1, 3, 4 or 5 king-move adjacent elements, with upper left element zero.

13, 112, 100, 2606, 7038, 110320, 1166270, 10448313, 136604409, 1503351175, 16286627637, 194230966568, 2198476953879, 24700789917927, 286624459000212, 3264613409193272, 37095755700798148, 426284736792747449

Offset

1,1

Comments

Column 6 of A298230.

Links

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

Example

Some solutions for n=6
..0..0..1..1..0..0. .0..1..0..0..0..0. .0..1..0..0..0..1. .0..1..0..0..0..0
..0..0..1..1..1..1. .1..1..1..1..0..0. .0..1..0..0..1..0. .1..0..0..1..0..0
..1..1..0..1..0..0. .1..1..0..1..1..0. .1..1..1..0..1..1. .1..1..0..0..1..1
..1..1..0..0..0..0. .0..0..1..1..0..1. .0..1..0..0..1..0. .1..1..0..0..1..1
..0..1..0..1..1..1. .0..0..1..0..0..0. .1..1..0..1..1..1. .0..0..1..0..1..0
..0..1..0..1..1..1. .1..0..0..1..0..0. .0..1..1..0..1..0. .0..0..0..0..0..1

Crossrefs

Cf. A298230.

Sequence in context: A021344 A119744 A295204 * A298152 A299126 A299884

Adjacent sequences: A298225 A298226 A298227 * A298229 A298230 A298231

Keyword

nonn

Author

R. H. Hardin, Jan 15 2018

Status

approved