A298843 Number of nX5 0..1 arrays with every element equal to 1, 2, 3, 6 or 8 king-move adjacent elements, with upper left element zero.

3, 166, 424, 1446, 5101, 18191, 62393, 214017, 735090, 2521128, 8674496, 29900417, 103081768, 355521461, 1226654477, 4233860529, 14618644242, 50489092706, 174414948926, 602632498696, 2082528838007, 7197611462672, 24879153769164

Offset

1,1

Comments

Column 5 of A298846.

Links

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

Example

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

Crossrefs

Cf. A298846.

Sequence in context: A228193 A297820 A297990 * A298650 A299604 A100908

Adjacent sequences: A298840 A298841 A298842 * A298844 A298845 A298846

Keyword

nonn

Author

R. H. Hardin, Jan 27 2018

Status

approved