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A298633
Number of nX6 0..1 arrays with every element equal to 0, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.
1
1, 53, 14, 45, 61, 163, 246, 566, 1334, 2879, 6223, 14320, 33446, 76557, 175161, 404442, 935344, 2157686, 4981714, 11523708, 26662710, 61665805, 142644276, 330114852, 764129147, 1768800257, 4094693211, 9480185441, 21950588277
OFFSET
1,2
COMMENTS
Column 6 of A298635.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..0..1..1. .0..0..0..0..0..0. .0..0..0..0..1..1. .0..0..0..1..0..0
..0..1..0..1..0..1. .0..1..1..1..1..0. .0..1..1..0..0..1. .0..1..1..0..1..0
..0..1..0..1..0..1. .1..0..0..0..1..0. .1..0..1..1..1..0. .1..0..1..0..1..1
..1..0..0..1..0..1. .0..1..1..0..1..0. .1..0..0..0..0..1. .1..0..1..0..1..0
..1..1..1..0..1..1. .0..0..1..1..0..0. .1..1..1..1..1..1. .1..1..0..1..0..0
CROSSREFS
Cf. A298635.
Sequence in context: A231426 A298061 A297984 * A298710 A048602 A048606
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 23 2018
STATUS
approved