A300543 Number of nX5 0..1 arrays with every element equal to 1, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

3, 129, 2879, 61561, 1338834, 29114990, 632777378, 13752553340, 298894998879, 6496115080739, 141185007792788, 3068481262669872, 66689639658671547, 1449416716033629216, 31501277073963713498, 684641239698193508103

Offset

1,1

Comments

Column 5 of A300546.

Links

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

Example

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

Crossrefs

Cf. A300546.

Sequence in context: A264582 A108713 A319222 * A300970 A300927 A123047

Adjacent sequences: A300540 A300541 A300542 * A300544 A300545 A300546

Keyword

nonn

Author

R. H. Hardin, Mar 08 2018

Status

approved