A295349 Number of nX5 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 2 or 3 1s.

13, 132, 1198, 11964, 123783, 1290706, 13795489, 149583916, 1639232052, 18114112241, 201344804852, 2247405443866, 25160663712201, 282277016781538, 3171538867322290, 35670860995673618, 401486262366974127

Offset

1,1

Comments

Column 5 of A295352.

Links

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

Example

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

Crossrefs

Cf. A295352.

Sequence in context: A065539 A048554 A293580 * A161498 A037715 A037617

Adjacent sequences: A295346 A295347 A295348 * A295350 A295351 A295352

Keyword

nonn

Author

R. H. Hardin, Nov 20 2017

Status

approved