A299659 Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero.

32, 2048, 86123, 4001253, 185302633, 8607101770, 400012077773, 18591844096646, 864147943636240, 40165914492008178, 1866929265130170249, 86775739876609282395, 4033377275756444263520, 187473281454195133866240

Offset

1,1

Comments

Column 6 of A299661.

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..1..1..1..0..1. .0..0..0..1..0..1. .0..0..1..0..1..0
..0..1..0..1..0..1. .0..0..1..0..0..1. .0..1..0..1..1..0. .0..1..0..0..1..0
..0..0..0..1..0..0. .0..0..0..1..0..1. .0..0..0..1..0..0. .0..0..0..1..0..1
..0..0..0..1..0..0. .0..0..0..1..1..0. .0..0..0..1..0..1. .0..0..0..1..0..1
..0..0..1..1..1..0. .0..1..0..0..1..1. .0..0..1..0..0..1. .0..0..1..1..0..1

Crossrefs

Cf. A299661.

Sequence in context: A299738 A317563 A302739 * A300213 A302745 A300802

Adjacent sequences: A299656 A299657 A299658 * A299660 A299661 A299662

Keyword

nonn

Author

R. H. Hardin, Feb 15 2018

Status

approved