A316549 Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 4, 7 or 8 king-move adjacent elements, with upper left element zero.

8, 35, 36, 89, 251, 621, 1568, 4269, 11869, 33451, 95326, 275884, 805348, 2361771, 6947706, 20509420, 60679269, 179783638, 533183713, 1582517591, 4699488351, 13961016049, 41486062390, 123302420572, 366520847057, 1089600872939

Offset

1,1

Comments

Column 5 of A316552.

Links

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

Example

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

Crossrefs

Cf. A316552.

Sequence in context: A360658 A304852 A305249 * A304541 A306126 A316308

Adjacent sequences: A316546 A316547 A316548 * A316550 A316551 A316552

Keyword

nonn

Author

R. H. Hardin, Jul 06 2018

Status

approved