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A298318
Number of nX6 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 king-move adjacent elements, with upper left element zero.
1
13, 73, 48, 243, 934, 2466, 11175, 48002, 249672, 1256472, 6256517, 36462203, 192861223, 1027455632, 5888885895, 31880672236, 173901715542, 979585422447, 5361016201314, 29497489222797, 164594660317597, 905565271526330
OFFSET
1,1
COMMENTS
Column 6 of A298320.
LINKS
EXAMPLE
Some solutions for n=7
..0..1..1..0..1..1. .0..0..1..1..0..0. .0..1..1..1..1..0. .0..1..1..1..1..0
..0..1..1..0..1..1. .0..0..1..1..0..0. .1..0..1..1..0..1. .1..1..0..0..1..1
..0..0..0..0..0..1. .0..1..1..1..1..0. .0..0..0..0..0..0. .1..0..0..0..0..1
..0..1..1..0..1..1. .0..1..1..0..1..0. .0..1..1..1..1..0. .1..1..0..0..1..1
..1..0..1..1..0..1. .0..0..1..1..0..0. .1..0..1..1..0..1. .1..1..0..0..1..1
..1..1..1..1..1..1. .1..0..1..0..0..0. .0..0..0..0..0..0. .1..0..0..0..0..0
..1..1..0..1..1..0. .1..0..1..0..0..1. .1..0..1..1..0..1. .0..1..0..0..1..1
CROSSREFS
Cf. A298320.
Sequence in context: A000470 A297905 A298499 * A299391 A299192 A300028
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 17 2018
STATUS
approved