A296311 Number of nX6 0..1 arrays with each 1 adjacent to 3 or 6 king-move neighboring 1s.

1, 9, 23, 45, 162, 479, 1198, 3534, 10374, 28464, 80600, 233023, 663259, 1871905, 5398412, 15702374, 44643584, 130054976, 387536847, 1118773498, 3332947080, 10271834711, 30432525534, 93816278500, 301779073626, 927540514785

Offset

1,2

Comments

Column 6 of A296313.

Links

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

Example

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

Crossrefs

Cf. A296313.

Sequence in context: A024843 A363161 A183453 * A159221 A079040 A183338

Adjacent sequences: A296308 A296309 A296310 * A296312 A296313 A296314

Keyword

nonn

Author

R. H. Hardin, Dec 10 2017

Status

approved