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A316425 Number of nX6 0..1 arrays with every element unequal to 0, 1, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero. 1
13, 105, 148, 640, 2861, 8916, 31433, 121028, 417457, 1475614, 5432803, 19246569, 68385710, 247600789, 884288193, 3153623933, 11341724622, 40601573283, 145110168322, 520483754072, 1864258211948, 6670315687373, 23900988608589 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A316427.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..1..0..1. .0..1..1..1..1..1. .0..0..1..1..1..0. .0..0..0..1..1..1
..0..1..1..1..1..1. .1..1..1..1..0..1. .0..1..1..1..1..1. .0..0..0..0..1..1
..1..1..1..1..1..1. .1..1..1..0..0..0. .1..1..1..1..1..1. .1..0..0..0..0..1
..1..1..1..1..0..1. .0..1..1..1..0..0. .1..1..1..1..1..0. .1..1..0..0..0..0
..1..1..0..1..0..0. .1..1..1..1..1..0. .1..1..0..1..1..1. .1..1..1..0..0..0
CROSSREFS
Cf. A316427.
Sequence in context: A306170 A305345 A316613 * A317427 A320204 A080422
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 02 2018
STATUS
approved

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Last modified April 22 01:34 EDT 2024. Contains 371887 sequences. (Running on oeis4.)