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A317564 Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero. 1
64, 8192, 581541, 40491721, 2853437287, 200422637482, 14085130453968, 989910863217269, 69566536617221409, 4888995296246370182, 343585229724494063841, 24146288349020453821543, 1696939049515195754479868 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A317565.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..1..1..0..0. .0..0..0..0..1..1..1. .0..0..0..1..0..1..0
..0..0..0..0..0..0..0. .0..0..0..0..1..1..1. .0..0..0..0..0..0..0
..0..0..0..0..1..1..1. .0..0..0..0..0..1..1. .0..0..0..0..0..0..0
..0..0..0..1..1..1..1. .0..0..0..1..0..1..1. .0..0..0..1..0..0..1
..0..0..0..1..1..0..1. .0..0..0..1..0..0..0. .0..0..0..0..0..1..1
CROSSREFS
Cf. A317565.
Sequence in context: A316814 A320370 A298969 * A299739 A302740 A299660
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 31 2018
STATUS
approved

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Last modified February 21 20:02 EST 2024. Contains 370237 sequences. (Running on oeis4.)