A297342 Number of 5Xn 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 0 or 2 neighboring 1s.

32, 144, 1847, 13428, 130297, 1091456, 9831967, 85542000, 756325028, 6639723016, 58469141194, 514208164575, 4524712183114, 39805340857479, 350215429976207, 3081134075539171, 27107777182975704, 238491993776275515

Offset

1,1

Comments

Row 5 of A297338.

Links

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

R. H. Hardin, Empirical recurrence of order 82

Formula

Empirical recurrence of order 82 (see link above)

Example

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

Crossrefs

Cf. A297338.

Sequence in context: A224041 A188839 A188702 * A228758 A097199 A100165

Adjacent sequences: A297339 A297340 A297341 * A297343 A297344 A297345

Keyword

nonn

Author

R. H. Hardin, Dec 28 2017

Status

approved