A296803 Number of nX7 0..1 arrays with each 1 adjacent to 1, 3 or 4 king-move neighboring 1s.

13, 855, 10149, 261107, 7978323, 203660310, 5712715858, 163079979478, 4582023008983, 129911028579192, 3690421329429176, 104682640490012474, 2972021579031893126, 84396249196438511924, 2396268710215614457297

Offset

1,1

Comments

Column 7 of A296804.

Links

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

Example

Some solutions for n=3
..0..0..0..1..0..0..1. .0..0..0..0..0..0..0. .1..0..1..1..1..0..1
..1..1..0..0..1..1..0. .0..0..0..1..0..0..1. .0..1..1..0..1..1..0
..1..1..1..1..1..0..0. .1..1..0..1..0..1..0. .1..0..0..0..0..0..0

Crossrefs

Cf. A296804.

Sequence in context: A316673 A319509 A189446 * A289225 A331341 A123838

Adjacent sequences: A296800 A296801 A296802 * A296804 A296805 A296806

Keyword

nonn

Author

R. H. Hardin, Dec 20 2017

Status

approved