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A300136
Number of nX6 0..1 arrays with every element equal to 0, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
1
1, 9, 209, 667, 11439, 98708, 1118800, 12484789, 140924631, 1636476796, 18991672366, 222152488788, 2604478262489, 30586732068952, 359645169357434, 4231084454943952, 49798079089941221, 586232982245989122
OFFSET
1,2
COMMENTS
Column 6 of A300138.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..0..0. .0..1..1..1..1..1. .0..0..1..1..1..1. .0..0..1..1..1..1
..0..0..1..1..0..0. .1..1..1..1..1..1. .0..0..1..1..1..1. .0..0..1..1..1..1
..1..1..1..1..1..1. .0..1..1..1..0..1. .0..1..1..1..0..0. .1..1..1..0..1..1
..1..1..0..1..1..1. .1..1..0..1..1..1. .0..0..1..1..0..0. .1..1..1..1..1..1
..1..1..1..1..1..1. .0..1..1..1..1..0. .0..0..1..1..0..0. .0..1..1..0..1..0
CROSSREFS
Cf. A300138.
Sequence in context: A203364 A218887 A001535 * A274672 A122399 A320096
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 26 2018
STATUS
approved