A298892 Number of nX5 0..1 arrays with every element equal to 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

0, 11, 4, 31, 219, 579, 1858, 8891, 34212, 128103, 538967, 2219296, 8764075, 36216096, 148454907, 602014960, 2469409541, 10115533795, 41307139499, 169152390705, 692711105743, 2833870255179, 11601723412009, 47502652641814

Offset

1,2

Comments

Column 5 of A298895.

Links

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

Example

Some solutions for n=7
..0..0..0..1..1. .0..0..1..0..0. .0..0..1..1..0. .0..0..1..1..1
..0..0..0..1..1. .0..1..1..1..0. .0..1..1..0..0. .0..0..1..1..1
..1..1..0..0..0. .0..1..0..1..0. .1..1..1..1..1. .0..0..1..1..1
..0..1..0..0..0. .0..0..1..0..0. .0..0..1..1..1. .1..1..1..0..0
..0..0..0..0..0. .1..1..1..1..1. .0..0..1..1..1. .1..1..0..1..0
..0..1..0..0..0. .1..1..1..0..1. .0..0..1..1..1. .1..1..0..1..1
..1..1..0..0..0. .1..1..1..0..0. .0..0..1..1..1. .1..1..0..0..1

Crossrefs

Cf. A298895.

Sequence in context: A114267 A166205 A141240 * A038318 A010186 A097531

Adjacent sequences: A298889 A298890 A298891 * A298893 A298894 A298895

Keyword

nonn

Author

R. H. Hardin, Jan 28 2018

Status

approved