A298572 Number of nX5 0..1 arrays with every element equal to 0, 2, 4, 5 or 7 king-move adjacent elements, with upper left element zero.

1, 36, 14, 41, 480, 374, 1055, 9880, 11792, 31779, 239375, 376486, 981001, 6173426, 11761032, 30287073, 164091447, 359488631, 929513109, 4452272698, 10810920767, 28326746829, 122792674265, 321470319076, 857402756244, 3431913518186

Offset

1,2

Comments

Column 5 of A298575.

Links

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

Example

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

Crossrefs

Cf. A298575.

Sequence in context: A277983 A066583 A073405 * A260383 A056770 A061038

Adjacent sequences: A298569 A298570 A298571 * A298573 A298574 A298575

Keyword

nonn

Author

R. H. Hardin, Jan 22 2018

Status

approved