A303627 Number of 5Xn 0..1 arrays with every element equal to 0, 2, 3, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

16, 6, 616, 1870, 37910, 350410, 5249045, 70522741, 1042683911, 15412143256, 231857391297, 3507294376595, 53265758197769, 810914386664759, 12360167854003888, 188554666107041773, 2877613349788302762

Offset

1,1

Comments

Row 5 of A303624.

Links

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

Example

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

Crossrefs

Cf. A303624.

Sequence in context: A302371 A303087 A302892 * A330277 A131030 A070580

Adjacent sequences: A303624 A303625 A303626 * A303628 A303629 A303630

Keyword

nonn

Author

R. H. Hardin, Apr 27 2018

Status

approved