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A316574
Number of nX6 0..1 arrays with every element unequal to 0, 2, 3, 4, 7 or 8 king-move adjacent elements, with upper left element zero.
1
1, 272, 291, 4262, 17695, 129257, 873130, 5763068, 41285414, 277573259, 1965195879, 13496039053, 94385750617, 654682766646, 4558519253070, 31702264810424, 220557985474475, 1534603577594039, 10676080941052407
OFFSET
1,2
COMMENTS
Column 6 of A316576.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..1..0..1. .0..1..1..0..1..0. .0..1..1..0..0..1. .0..1..0..1..1..1
..1..1..1..0..0..1. .0..1..0..1..1..1. .1..1..0..0..1..0. .0..1..1..0..0..0
..0..0..1..0..0..0. .1..1..1..1..1..0. .1..0..0..0..0..0. .1..1..1..0..0..1
..1..1..1..1..0..1. .0..1..0..1..1..0. .0..0..1..0..1..1. .1..0..1..1..0..1
..1..1..1..1..0..1. .0..1..1..0..1..0. .1..1..0..0..0..0. .1..0..1..0..1..0
CROSSREFS
Cf. A316576.
Sequence in context: A005933 A112820 A304892 * A062906 A253361 A133514
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 07 2018
STATUS
approved