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A299519
Number of nX6 0..1 arrays with every element equal to 0, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
1
1, 9, 55, 117, 1540, 12411, 89125, 826509, 7492106, 69199615, 632471906, 5845508751, 54077696663, 499912373343, 4624360601944, 42791471290467, 395980208064836, 3664369712363368, 33911320509893043, 313831955011454386
OFFSET
1,2
COMMENTS
Column 6 of A299521.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..0..1. .0..1..1..0..0..0. .0..0..0..0..0..1. .0..0..0..0..0..0
..0..0..0..0..0..0. .1..1..0..1..0..0. .0..0..0..0..0..0. .0..0..1..1..0..0
..0..0..0..0..0..1. .1..0..0..1..1..0. .1..0..1..1..0..1. .1..0..1..1..0..1
..1..1..1..1..0..0. .1..1..0..1..0..0. .0..0..1..1..0..0. .0..0..0..0..0..0
..1..1..1..1..0..0. .0..1..1..0..0..0. .0..0..1..1..0..0. .1..0..1..0..0..0
CROSSREFS
Cf. A299521.
Sequence in context: A058849 A058852 A145875 * A068970 A141530 A263478
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 11 2018
STATUS
approved