A296801 Number of nX5 0..1 arrays with each 1 adjacent to 1, 3 or 4 king-move neighboring 1s.

6, 122, 694, 6747, 77705, 754400, 7978323, 85842977, 905014451, 9649174803, 103044534121, 1097687928287, 11710710952900, 124951183922604, 1332800533411768, 14219277591615348, 151701996202482583

Offset

1,1

Comments

Column 5 of A296804.

Links

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

Example

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

Crossrefs

Cf. A296804.

Sequence in context: A336389 A126244 A336808 * A249168 A360576 A138572

Adjacent sequences: A296798 A296799 A296800 * A296802 A296803 A296804

Keyword

nonn

Author

R. H. Hardin, Dec 20 2017

Status

approved