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A305521 Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero. 1
32, 2048, 68603, 2102155, 66949063, 2122076804, 67425576120, 2143769629842, 68172646692968, 2168401071221921, 68974486652205867, 2194111059481734303, 69796733046371194006, 2220322980877280334126, 70631601099061814360473 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A305523.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..1..1..0. .0..0..0..0..1..1. .0..0..1..1..1..0. .0..0..1..0..0..1
..0..0..0..1..1..1. .0..0..1..1..0..0. .0..0..0..1..0..0. .0..0..0..1..0..0
..0..0..0..0..1..0. .0..0..1..1..1..0. .0..0..1..1..0..1. .0..0..1..1..1..1
..0..0..0..1..0..1. .0..0..0..1..1..0. .0..0..0..1..1..0. .0..0..1..1..1..1
..0..0..1..1..0..0. .0..0..1..0..0..1. .0..0..0..0..0..0. .0..0..0..1..0..1
CROSSREFS
Cf. A305523.
Sequence in context: A302812 A303473 A208713 * A316958 A316813 A320369
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 04 2018
STATUS
approved

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Last modified February 25 13:03 EST 2024. Contains 370328 sequences. (Running on oeis4.)