A298709 Number of nX5 0..1 arrays with every element equal to 1, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.

0, 32, 6, 32, 781, 1354, 2409, 34250, 109459, 294045, 2120905, 9245389, 30828598, 168214873, 796498729, 3061252232, 14764004332, 70505421866, 293384815488, 1348082131155, 6351782335450, 27606509717199, 124692900069265

Offset

1,2

Comments

Column 5 of A298712.

Links

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

Example

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

Crossrefs

Cf. A298712.

Sequence in context: A298922 A198065 A298060 * A240925 A113506 A120315

Adjacent sequences: A298706 A298707 A298708 * A298710 A298711 A298712

Keyword

nonn

Author

R. H. Hardin, Jan 25 2018

Status

approved