A299679 Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.

16, 73, 147, 1477, 13369, 95471, 757628, 6503333, 52948378, 426047595, 3528500325, 29071843419, 237176003298, 1947347309360, 16015570766581, 131274778981318, 1076766576237292, 8842169127135695, 72554687996461267, 595249994019276636

Offset

1,1

Comments

Column 5 of A299682.

Links

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

Example

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

Crossrefs

Cf. A299682.

Sequence in context: A299876 A299012 A299803 * A300311 A058333 A232337

Adjacent sequences: A299676 A299677 A299678 * A299680 A299681 A299682

Keyword

nonn

Author

R. H. Hardin, Feb 16 2018

Status

approved