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A199040 Number of nX7 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
3, 877, 59384, 35902575, 7354780137 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A199041
LINKS
EXAMPLE
Some solutions for n=4
..0..0..1..2..1..1..1....0..0..1..1..1..2..2....0..0..1..1..0..0..0
..0..1..1..2..2..2..1....0..2..2..2..0..0..2....0..1..2..2..2..2..2
..0..2..2..0..0..2..1....0..1..1..2..0..2..1....0..1..2..1..1..1..1
..0..0..2..0..2..2..1....0..0..1..1..1..2..1....0..0..2..1..2..2..1
CROSSREFS
Sequence in context: A203688 A253578 A167472 * A094592 A210768 A332193
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 02 2011
STATUS
approved

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)