A297018 Number of n X 6 0..1 arrays with each 1 adjacent to 3, 4 or 6 king-move neighboring 1's.

1, 17, 135, 590, 5878, 74534, 732736, 8605648, 108002628, 1278477660, 15486707196, 190955213876, 2326446544887, 28396244079395, 348166722264565, 4259251865365556, 52094507515184359, 637838654849421958

Offset

1,2

Comments

Column 6 of A297020.

Links

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

Example

Some solutions for n=6
..0..1..0..0..0..0. .1..1..0..0..0..0. .0..0..0..0..0..0. .1..1..0..0..0..0
..1..1..1..1..0..0. .1..1..1..1..1..0. .0..1..1..0..0..0. .1..1..0..0..1..1
..1..1..1..1..0..0. .0..0..0..1..1..0. .1..1..1..0..0..0. .0..0..0..0..1..1
..0..0..1..0..0..0. .0..0..0..0..0..0. .1..0..1..0..0..0. .0..0..0..0..1..0
..0..0..0..0..0..0. .1..1..0..0..1..1. .1..1..0..1..1..1. .1..1..0..1..1..0
..0..0..0..0..0..0. .1..1..1..1..1..1. .1..1..1..0..1..1. .1..1..1..1..0..0

Crossrefs

Cf. A297020.

Sequence in context: A275483 A125354 A126512 * A196783 A047642 A010933

Adjacent sequences: A297015 A297016 A297017 * A297019 A297020 A297021

Keyword

nonn

Author

R. H. Hardin, Dec 23 2017

Status

approved