A306057 Number of n X 5 0..1 arrays with every element unequal to 0, 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.

16, 64, 189, 608, 3572, 16833, 67791, 313348, 1479005, 6565230, 29422003, 134821503, 611371817, 2755886039, 12498196528, 56717052098, 256697600693, 1162416576283, 5268737004991, 23869099972053, 108109669604193

Offset

1,1

Comments

Column 5 of A306060.

Links

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

Example

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

Crossrefs

Cf. A306060.

Sequence in context: A304845 A190099 A316542 * A059165 A212506 A212512

Adjacent sequences: A306054 A306055 A306056 * A306058 A306059 A306060

Keyword

nonn

Author

R. H. Hardin, Jun 18 2018

Status

approved