A299512 Number of nX6 0..1 arrays with every element equal to 1, 2, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

5, 49, 167, 1950, 13836, 122197, 1190886, 10305454, 92938855, 856134961, 7719297704, 69979535652, 636903426165, 5779540063885, 52466453104589, 476540155387122, 4327173767423761, 39292973656519549, 356809765233277164

Offset

1,1

Comments

Column 6 of A299514.

Links

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

Example

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

Crossrefs

Cf. A299514.

Sequence in context: A266127 A343690 A298394 * A183333 A299312 A300113

Adjacent sequences: A299509 A299510 A299511 * A299513 A299514 A299515

Keyword

nonn

Author

R. H. Hardin, Feb 11 2018

Status

approved