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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 5 of A305954.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

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

Adjacent sequences: A305948 A305949 A305950 * A305952 A305953 A305954

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jun 15 2018

STATUS

approved

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Last modified February 2 15:30 EST 2023. Contains 360022 sequences. (Running on oeis4.)