A303087 Number of 5Xn 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

16, 6, 416, 304, 11767, 34430, 636070, 4585419, 60170515, 624887953, 7591519361, 87577958854, 1051143716702, 12466186847080, 149433683446612, 1785840844823381, 21408005102663193, 256419078046090099

Offset

1,1

Comments

Row 5 of A303084.

Links

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

Example

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

Crossrefs

Cf. A303084.

Sequence in context: A303245 A216160 A302371 * A302892 A303627 A330277

Adjacent sequences: A303084 A303085 A303086 * A303088 A303089 A303090

Keyword

nonn

Author

R. H. Hardin, Apr 18 2018

Status

approved