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A316203 Number of nXn 0..1 arrays with every element unequal to 0, 1, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero. 0
1, 8, 78, 1253, 36585, 1962143, 189577494, 33224254530, 10584753639371 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Diagonal of A316209.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..0..0. .0..1..0..0..0. .0..1..1..1..1. .0..0..1..0..1
..1..1..1..0..1. .0..0..0..0..1. .1..1..1..0..0. .1..0..0..0..0
..1..0..1..0..0. .0..0..0..0..0. .1..1..0..1..0. .0..0..1..1..1
..1..1..1..1..0. .0..0..1..1..0. .1..0..0..1..1. .0..0..1..1..1
..1..1..1..0..0. .0..0..1..1..0. .0..0..0..0..1. .1..0..0..0..0
CROSSREFS
Cf. A316209.
Sequence in context: A052698 A052603 A071556 * A303507 A145508 A266090
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 26 2018
STATUS
approved

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Last modified March 29 03:51 EDT 2024. Contains 371264 sequences. (Running on oeis4.)