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A199039 Number of nX6 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and every element equal to one or two horizontal or vertical neighbors 0
1, 143, 8090, 674064, 59029339, 5590093696 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 6 of A199041
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..0..1..1....0..0..1..1..0..0....0..0..1..1..0..2....0..0..1..0..1..1
..0..1..1..0..2..2....0..1..0..1..2..2....0..1..1..0..0..2....0..0..1..0..2..2
..0..0..1..2..2..1....2..1..0..0..2..2....0..2..2..1..2..1....2..2..1..1..2..1
..2..2..2..2..1..1....2..1..2..2..1..1....0..2..2..1..2..1....0..0..2..2..2..1
CROSSREFS
Sequence in context: A135946 A217534 A279115 * A199235 A029555 A265102
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 02 2011
STATUS
approved

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Last modified December 9 20:06 EST 2023. Contains 367693 sequences. (Running on oeis4.)