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A305951
Number of nX5 0..1 arrays with every element unequal to 0, 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero.
1
1, 82, 537, 8433, 126733, 1969026, 30700722, 480588948, 7529843048, 118052028459, 1851213087039, 29032849490255, 455349084440322, 7141827767035357, 112015712249621860, 1756914652912131144, 27556457183669006842
OFFSET
1,2
COMMENTS
Column 5 of A305954.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..1..1. .0..1..0..1..0. .0..0..0..1..1. .0..0..0..0..1
..1..0..0..0..0. .1..0..0..1..0. .1..1..0..1..1. .1..1..1..0..1
..0..0..1..1..0. .1..0..0..1..1. .1..0..1..0..0. .1..0..0..0..1
..0..1..1..1..1. .1..0..0..0..1. .0..0..0..1..1. .0..0..1..1..0
..1..0..0..1..0. .0..1..1..0..1. .1..1..1..1..0. .1..0..0..0..1
CROSSREFS
Cf. A305954.
Sequence in context: A288920 A304416 A316241 * A317212 A282773 A182277
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 15 2018
STATUS
approved