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A317455 Number of nX5 0..1 arrays with every element unequal to 1, 2, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. 1
3, 51, 131, 353, 4364, 21250, 95144, 744225, 4783771, 27463112, 190991767, 1292234142, 8201782608, 55678561641, 376785247633, 2482003918431, 16743709504153, 112914336054629, 753657230308479, 5073402400236330 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A317458.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..1..0. .0..1..1..0..1. .0..1..1..1..1. .0..0..0..0..0
..0..1..0..0..1. .0..1..1..1..1. .1..0..1..1..0. .1..0..0..1..1
..0..0..0..0..0. .0..0..1..1..0. .1..1..1..1..1. .0..0..0..1..1
..1..0..0..1..0. .0..1..1..0..1. .1..0..1..1..0. .1..0..0..0..0
..0..1..0..0..1. .0..0..0..0..0. .0..1..1..1..1. .0..0..0..1..1
CROSSREFS
Cf. A317458.
Sequence in context: A316173 A316645 A116630 * A045489 A232453 A248341
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 28 2018
STATUS
approved

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Last modified February 29 10:20 EST 2024. Contains 370418 sequences. (Running on oeis4.)