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A305528 Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero. 1
32, 1576, 26000, 506359, 9599897, 180860170, 3433486971, 65111777047, 1233566348589, 23389104641408, 443405789886680, 8405362397863385, 159346410605297094, 3020798825901559158, 57266233957263875494 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A305530.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..1..1..1. .0..1..0..0..1..1. .0..0..1..0..0..1. .0..0..0..1..0..0
..0..0..0..0..1..1. .0..0..1..1..1..1. .0..0..0..1..1..1. .0..0..0..0..1..0
..0..0..0..1..1..0. .0..0..1..1..0..0. .0..0..0..0..0..1. .0..0..0..0..0..1
..0..0..0..1..1..0. .0..0..1..1..0..1. .0..0..0..0..0..0. .0..0..1..0..0..0
..0..0..0..0..1..0. .0..0..1..1..1..1. .0..0..0..0..0..0. .0..1..0..1..0..0
CROSSREFS
Cf. A305530.
Sequence in context: A316181 A305767 A317116 * A317002 A316820 A317570
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 04 2018
STATUS
approved

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Last modified March 29 04:59 EDT 2024. Contains 371264 sequences. (Running on oeis4.)