A298452 Number of nX6 0..1 arrays with every element equal to 1, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.

1, 88, 46, 2459, 22133, 255029, 4095727, 62979342, 804773211, 12648714013, 192361297807, 2716340306952, 40926079823971, 617074882316209, 9000146595771759, 134050098579479340, 2005238499337491454

Offset

1,2

Comments

Column 6 of A298454.

Links

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

Example

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

Crossrefs

Cf. A298454.

Sequence in context: A298620 A299586 A033408 * A299526 A109989 A239154

Adjacent sequences: A298449 A298450 A298451 * A298453 A298454 A298455

Keyword

nonn

Author

R. H. Hardin, Jan 19 2018

Status

approved