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A304055
Number of nX5 0..1 arrays with every element unequal to 1, 2, 4 or 5 king-move adjacent elements, with upper left element zero.
1
3, 51, 32, 155, 596, 1641, 5415, 30207, 124598, 500772, 2563187, 11938158, 52758745, 263350294, 1254691561, 5814881820, 28525545716, 136746379603, 646825243649, 3141919967404, 15089914588281, 72017487916126, 348004527241026
OFFSET
1,1
COMMENTS
Column 5 of A304058.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..0..1. .0..0..0..0..0. .0..1..1..0..0. .0..0..0..1..0
..1..0..0..0..1. .1..0..0..1..1. .0..1..1..1..1. .1..0..0..0..1
..0..0..0..1..1. .0..0..0..1..1. .0..0..1..1..1. .0..0..0..1..1
..0..0..0..0..1. .1..0..0..0..1. .0..0..1..1..0. .1..0..0..1..1
..1..1..0..0..1. .0..1..0..0..1. .1..1..1..1..1. .1..0..0..0..0
CROSSREFS
Cf. A304058.
Sequence in context: A078674 A071094 A144987 * A305449 A304701 A316452
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 05 2018
STATUS
approved