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A317228
Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 3, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
1
32, 293, 1468, 7988, 101712, 929233, 7953354, 80002584, 773208574, 7313110319, 70794354214, 683841167067, 6575649265592, 63418384000562, 611788490161263, 5897210639871099, 56864167445713295, 548379767667824359
OFFSET
1,1
COMMENTS
Column 6 of A317230.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..0..1. .0..1..1..1..1..1. .0..1..0..0..0..1. .0..0..0..0..0..0
..0..1..0..0..0..0. .0..0..1..1..1..1. .0..1..1..0..0..0. .0..0..0..1..0..0
..1..0..0..0..1..0. .1..1..1..1..1..1. .0..0..0..0..1..0. .0..0..0..0..0..0
..0..1..0..1..0..0. .1..1..1..1..0..0. .0..1..0..0..0..0. .0..0..0..1..0..0
..1..0..0..0..0..0. .0..1..1..1..0..1. .1..1..0..0..0..1. .0..0..0..1..1..0
CROSSREFS
Cf. A317230.
Sequence in context: A304470 A316287 A306051 * A250563 A060158 A074469
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 24 2018
STATUS
approved