A305094 Number of nX5 0..1 arrays with every element unequal to 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.

3, 27, 64, 37, 333, 1987, 2220, 6525, 47093, 101012, 198933, 1068609, 3442736, 7128992, 26379149, 100365959, 248386754, 735739216, 2762606325, 8024258183, 22234257783, 76466826263, 243522837734, 688401797777, 2184328482305

Offset

1,1

Comments

Column 5 of A305097.

Links

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

Example

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

Crossrefs

Cf. A305097.

Sequence in context: A176963 A376295 A204046 * A120117 A152759 A302275

Adjacent sequences: A305091 A305092 A305093 * A305095 A305096 A305097

Keyword

nonn

Author

R. H. Hardin, May 25 2018

Status

approved