A299719 Number of nX6 0..1 arrays with every element equal to 0, 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.

1, 389, 6354, 242107, 8668148, 330958005, 12889348273, 504002310677, 19818564264619, 780113461179658, 30737074057266508, 1211484665110417898, 47758036562035353108, 1882835437588019698995, 74232424334733785207883

Offset

1,2

Comments

Column 6 of A299721.

Links

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

Example

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

Crossrefs

Cf. A299721.

Sequence in context: A299891 A299058 A299819 * A300340 A228580 A242182

Adjacent sequences: A299716 A299717 A299718 * A299720 A299721 A299722

Keyword

nonn

Author

R. H. Hardin, Feb 17 2018

Status

approved