A316236 Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

8, 57, 71, 365, 1867, 6518, 41303, 312366, 1912290, 13719646, 105507600, 756118238, 5541109762, 41556437443, 306591406483, 2263972269500, 16828302894659, 124701731108789, 923337868747664, 6848020047283788, 50766762668647708

Offset

1,1

Comments

Column 5 of A316239.

Links

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

Example

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

Crossrefs

Cf. A316239.

Sequence in context: A043071 A304352 A305915 * A317157 A305646 A316922

Adjacent sequences: A316233 A316234 A316235 * A316237 A316238 A316239

Keyword

nonn

Author

R. H. Hardin, Jun 27 2018

Status

approved