A300920 Number of nX5 0..1 arrays with every element equal to 0, 2, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

1, 40, 290, 4066, 48588, 640673, 8265835, 108469760, 1419225976, 18612718736, 243965442778, 3199006474569, 41943406467118, 549970038257539, 7211211285768759, 94554378260472599, 1239807002239604003

Offset

1,2

Comments

Column 5 of A300923.

Links

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

Example

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

Crossrefs

Cf. A300923.

Sequence in context: A117216 A035099 A065255 * A061993 A087954 A160328

Adjacent sequences: A300917 A300918 A300919 * A300921 A300922 A300923

Keyword

nonn

Author

R. H. Hardin, Mar 15 2018

Status

approved