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A304308
Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 3 or 5 king-move adjacent elements, with upper left element zero.
1
32, 569, 3270, 22089, 145369, 989406, 6692008, 45578982, 310837633, 2122468415, 14501325198, 99120478481, 677647417021, 4633515032396, 31685001504959, 216680410191236, 1481835432845882, 10134192131855134, 69308068436080264
OFFSET
1,1
COMMENTS
Column 6 of A304310.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..1..0..1. .0..0..0..0..1..1. .0..0..1..0..0..1. .0..1..1..1..0..1
..0..1..1..1..1..1. .0..0..0..1..1..1. .1..0..0..0..0..0. .0..0..1..1..1..1
..1..1..1..1..0..1. .0..0..1..1..1..1. .0..0..0..1..0..0. .0..0..0..1..0..1
..0..0..1..0..0..0. .1..0..0..1..1..0. .0..0..1..1..1..0. .1..0..0..0..0..0
..1..0..0..0..0..1. .0..0..1..1..1..1. .0..0..0..1..1..1. .0..0..1..0..0..1
CROSSREFS
Cf. A304310.
Sequence in context: A082557 A022660 A220631 * A316207 A305774 A317123
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 10 2018
STATUS
approved