A299558 Number of nX5 0..1 arrays with every element equal to 0, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

1, 31, 21, 77, 348, 1094, 3919, 13977, 49728, 182756, 669766, 2444078, 8944985, 32753763, 119833236, 438741809, 1606516717, 5881961826, 21538299550, 78868479665, 288794128838, 1057512050898, 3872421498652, 14180120799422

Offset

1,2

Comments

Column 5 of A299561.

Links

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

Example

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

Crossrefs

Cf. A299561.

Sequence in context: A066434 A040932 A298724 * A348624 A340744 A361315

Adjacent sequences: A299555 A299556 A299557 * A299559 A299560 A299561

Keyword

nonn

Author

R. H. Hardin, Feb 12 2018

Status

approved