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A299605
Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
1
5, 573, 1274, 4648, 18273, 75970, 292458, 1146690, 4552661, 17798866, 69721893, 274946713, 1082756867, 4261530095, 16797596354, 66211469842, 260987419623, 1029452503216, 4061762711469, 16027486319001, 63263768157104
OFFSET
1,1
COMMENTS
Column 6 of A299607.
LINKS
EXAMPLE
Some solutions for n=6
..0..1..0..1..0..1. .0..1..0..1..1..1. .0..1..0..1..0..1. .0..0..1..0..1..0
..1..0..1..1..1..0. .1..0..1..1..0..0. .1..0..0..0..1..0. .0..1..0..0..0..1
..0..1..1..1..1..1. .0..1..1..1..1..1. .0..0..0..0..0..1. .1..0..0..0..0..0
..1..1..1..1..1..0. .1..1..1..1..1..1. .1..0..0..0..0..0. .0..0..0..0..0..1
..0..1..1..1..0..1. .0..1..1..1..0..0. .0..1..0..0..1..0. .1..0..0..0..1..0
..1..0..1..0..1..0. .1..0..1..0..1..0. .0..1..0..0..1..1. .0..1..0..1..0..1
CROSSREFS
Cf. A299607.
Sequence in context: A297991 A298844 A298651 * A185555 A093941 A072952
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 14 2018
STATUS
approved