A295351 Number of nX7 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 2 or 3 1s.

34, 883, 19214, 499257, 13795489, 390440690, 11500075769, 345835713946, 10540491064074, 324181694265205, 10024652659801063, 311027223220129638, 9669817180969786054, 301007251989809582216, 9376979451161266929948

Offset

1,1

Comments

Column 7 of A295352.

Links

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

Example

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

Crossrefs

Cf. A295352.

Sequence in context: A368527 A192094 A297337 * A295605 A244654 A214169

Adjacent sequences: A295348 A295349 A295350 * A295352 A295353 A295354

Keyword

nonn

Author

R. H. Hardin, Nov 20 2017

Status

approved