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A296113
Number of nX6 0..1 arrays with each 1 adjacent to 3 or 4 king-move neighboring 1s.
1
1, 17, 74, 185, 2800, 29003, 197661, 2401049, 28504534, 285030119, 3218586444, 37086239109, 406310331635, 4546341810050, 51430540760254, 574494592343355, 6433947321163856, 72335407827671730, 810978021513533482
OFFSET
1,2
COMMENTS
Column 6 of A296115.
LINKS
EXAMPLE
Some solutions for n=7
..0..1..1..0..0..0. .1..1..0..0..1..1. .1..1..0..0..1..1. .0..1..1..0..1..1
..0..1..1..0..1..0. .1..1..0..0..1..1. .1..1..0..0..1..1. .0..1..1..0..1..1
..0..0..0..1..1..1. .0..0..0..0..1..0. .0..1..0..0..0..1. .0..0..0..0..0..0
..0..1..0..0..0..1. .1..1..0..0..1..1. .0..1..0..0..1..0. .1..1..0..0..0..0
..1..1..1..0..1..0. .1..1..0..1..1..0. .1..1..0..0..1..1. .1..1..0..1..1..0
..0..1..0..1..1..1. .0..0..1..1..0..0. .1..0..1..0..1..0. .0..0..1..1..1..0
..0..0..0..0..1..0. .0..0..0..0..0..0. .0..1..1..1..0..0. .0..0..0..0..0..0
CROSSREFS
Cf. A296115.
Sequence in context: A154419 A208399 A097223 * A231779 A063494 A146594
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 04 2017
STATUS
approved