A296724 Number of nX7 0..1 arrays with each 1 adjacent to 0, 2 or 4 king-move neighboring 1s.

34, 1041, 12860, 246923, 4846823, 84312938, 1554755519, 28740762011, 523224064059, 9599318085686, 176148051465935, 3226167806275632, 59148650843918028, 1084444588868555326, 19877792164284204288

Offset

1,1

Comments

Column 7 of A296725.

Links

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

Example

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

Crossrefs

Cf. A296725.

Sequence in context: A328350 A365993 A275294 * A214190 A214241 A162838

Adjacent sequences: A296721 A296722 A296723 * A296725 A296726 A296727

Keyword

nonn

Author

R. H. Hardin, Dec 19 2017

Status

approved