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A305095
Number of nX6 0..1 arrays with every element unequal to 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
1
5, 109, 158, 142, 1987, 7273, 10652, 64966, 320192, 708423, 2636757, 13429934, 39637595, 125263401, 569352731, 1996214758, 6279711801, 25173920295, 95148797434, 313904299488, 1160630719421, 4441812097013, 15391681955806
OFFSET
1,1
COMMENTS
Column 6 of A305097.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..0..1..1. .0..1..1..0..0..1. .0..0..1..0..0..1. .0..0..0..1..1..0
..0..0..1..0..0..0. .1..0..1..1..1..1. .0..1..0..0..1..0. .0..1..1..1..1..0
..0..0..0..0..0..0. .1..1..1..1..1..1. .0..0..0..0..0..0. .0..0..0..1..1..1
..1..0..0..0..1..0. .1..1..1..1..0..1. .0..1..0..0..0..1. .0..1..1..1..1..0
..0..1..0..0..1..0. .0..0..1..0..1..1. .0..0..1..0..0..1. .0..0..0..1..1..0
CROSSREFS
Cf. A305097.
Sequence in context: A306990 A048564 A139971 * A128110 A316755 A199307
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 25 2018
STATUS
approved