A316958 Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

32, 2048, 70037, 2232443, 73529753, 2402722112, 78728223139, 2579211359302, 84510945441118, 2769379871022869, 90752404534035886, 2974040061250572520, 97462565463918203139, 3193977765691405753182, 104671123666176410585811

Offset

1,1

Comments

Column 6 of A316960.

Links

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

Example

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

Crossrefs

Cf. A316960.

Sequence in context: A303473 A208713 A305521 * A316813 A320369 A298968

Adjacent sequences: A316955 A316956 A316957 * A316959 A316960 A316961

Keyword

nonn

Author

R. H. Hardin, Jul 17 2018

Status

approved