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A305449 Number of nX5 0..1 arrays with every element unequal to 1, 2, 4, 5 or 8 king-move adjacent elements, with upper left element zero. 1
3, 51, 44, 169, 1275, 2697, 13128, 58608, 222877, 971263, 4509456, 20052817, 89962877, 429934611, 2010364493, 9342799726, 45060857343, 214803238622, 1018900098942, 4925205324903, 23663249399671, 113385119300854 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A305452.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..1..0. .0..0..0..1..0. .0..0..0..1..0. .0..1..0..0..1
..0..1..0..0..0. .0..1..0..0..1. .0..1..0..0..1. .1..0..0..0..1
..0..0..0..0..1. .0..0..0..0..0. .0..0..0..0..0. .1..1..0..0..0
..0..0..0..1..0. .0..0..0..0..1. .1..0..0..0..1. .1..0..0..0..1
..0..1..1..1..1. .0..1..0..1..0. .0..1..0..0..1. .0..1..0..0..0
CROSSREFS
Cf. A305452.
Sequence in context: A071094 A144987 A304055 * A304701 A316452 A227069
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 01 2018
STATUS
approved

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Last modified July 14 15:30 EDT 2024. Contains 374322 sequences. (Running on oeis4.)