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A305522 Number of nX7 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
64, 8192, 466858, 23747613, 1269418258, 67425576120, 3592436519091, 191577652761963, 10218588450186728, 545224050326670079, 29092517827360869418, 1552454485592778642802, 82844647343060190173654 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A305523.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..1..1..0..0. .0..0..0..0..1..1..1. .0..0..0..1..1..1..0
..0..0..0..1..1..1..1. .0..0..0..0..0..0..1. .0..0..0..0..1..1..0
..0..0..0..0..1..1..0. .0..0..0..0..0..0..0. .0..0..0..0..0..0..0
..0..0..0..0..1..1..1. .0..0..0..0..1..0..0. .0..0..0..1..1..0..0
..0..0..0..1..1..1..1. .0..0..0..1..1..1..0. .0..0..0..1..1..0..1
CROSSREFS
Cf. A305523.
Sequence in context: A302074 A302813 A303474 * A208714 A316959 A316814
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 04 2018
STATUS
approved

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Last modified July 13 14:24 EDT 2024. Contains 374284 sequences. (Running on oeis4.)