A298633 Number of nX6 0..1 arrays with every element equal to 0, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.

1, 53, 14, 45, 61, 163, 246, 566, 1334, 2879, 6223, 14320, 33446, 76557, 175161, 404442, 935344, 2157686, 4981714, 11523708, 26662710, 61665805, 142644276, 330114852, 764129147, 1768800257, 4094693211, 9480185441, 21950588277

Offset

1,2

Comments

Column 6 of A298635.

Links

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

Example

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

Crossrefs

Cf. A298635.

Sequence in context: A231426 A298061 A297984 * A298710 A048602 A048606

Adjacent sequences: A298630 A298631 A298632 * A298634 A298635 A298636

Keyword

nonn

Author

R. H. Hardin, Jan 23 2018

Status

approved