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A317063
Number of nX6 0..1 arrays with every element unequal to 0, 2, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
1
1, 272, 4869, 207116, 8450612, 354399907, 14920072888, 629855730272, 26612973830635, 1124925665450222, 47558289000359748, 2010749398071334458, 85016252420605992721, 3594603941362352310918, 151985523215867315907352
OFFSET
1,2
COMMENTS
Column 6 of A317065.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1..0..1..0. .0..0..1..1..1..0. .0..0..1..0..0..1. .0..1..1..0..1..1
..0..1..0..1..0..1. .0..0..1..1..1..0. .0..0..1..1..1..0. .0..1..0..0..0..0
..0..0..1..1..1..0. .0..0..1..0..0..1. .0..0..0..1..0..0. .0..0..0..1..1..0
..0..1..0..1..0..0. .1..1..0..0..1..0. .1..1..1..0..1..1. .0..1..0..0..1..0
..0..1..0..1..1..1. .0..0..0..1..0..1. .1..1..1..0..1..0. .0..1..1..1..0..1
CROSSREFS
Cf. A317065.
Sequence in context: A266106 A264077 A305683 * A316930 A317701 A141546
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 20 2018
STATUS
approved