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A298176 Number of nX7 0..1 arrays with every element equal to 2, 3, 6 or 8 king-move adjacent elements, with upper left element zero. 1
0, 22, 8, 43, 73, 161, 181, 540, 1076, 2572, 5179, 11814, 27638, 63592, 145715, 332492, 772416, 1792330, 4152863, 9615009, 22287060, 51774292, 120261321, 279370852, 649021245, 1508490144, 3507212748, 8154848055, 18962917850, 44099995183 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 7 of A298177.
LINKS
EXAMPLE
Some solutions for n=7
..0..0..1..1..1..1..1. .0..0..1..0..1..1..1. .0..0..0..1..0..0..0
..0..1..0..0..0..0..1. .0..1..0..1..0..0..1. .1..0..1..0..1..1..0
..0..1..0..1..1..1..0. .0..1..0..1..0..1..0. .1..1..1..0..1..0..1
..0..1..0..1..0..0..1. .0..1..0..1..0..1..0. .1..0..1..0..0..0..1
..0..1..0..1..0..1..1. .0..1..0..1..0..1..0. .0..0..1..0..1..0..1
..1..0..0..1..0..1..0. .0..1..0..1..0..0..1. .1..0..1..0..1..1..0
..1..1..1..0..1..0..0. .0..0..1..0..1..1..1. .1..1..0..1..0..0..0
CROSSREFS
Cf. A298177.
Sequence in context: A133682 A134911 A298145 * A113783 A298781 A058402
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 14 2018
STATUS
approved

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Last modified March 29 01:36 EDT 2024. Contains 371264 sequences. (Running on oeis4.)