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A317123
Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
1
32, 569, 4561, 46955, 507378, 5694906, 64566869, 734571604, 8373046468, 95512011523, 1089830833984, 12436698688960, 141929215105534, 1619742780936473, 18485182531732426, 210961212697095730
OFFSET
1,1
Column 6 of A317125.
EXAMPLE
Some solutions for n=5
..0..0..0..1..1..1. .0..1..0..0..0..0. .0..1..1..0..1..1. .0..0..0..0..0..0
..0..0..0..1..1..1. .0..0..0..0..0..1. .0..1..0..1..0..0. .0..0..1..1..0..0
..0..0..0..1..1..0. .0..1..0..1..0..0. .0..0..1..0..0..0. .0..0..0..0..0..0
..0..1..1..1..0..0. .0..0..0..0..0..0. .0..0..1..0..0..0. .1..0..1..0..0..0
..0..1..1..1..1..0. .0..1..0..0..1..0. .0..0..0..0..0..1. .0..0..0..0..1..0
CROSSREFS
Cf. A317125.
Sequence in context: A304308 A316207 A305774 * A305591 A317009 A316874
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 21 2018
STATUS
approved

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Last modified September 19 21:59 EDT 2024. Contains 376015 sequences. (Running on oeis4.)