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A199036
Number of nX3 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
1
0, 3, 10, 127, 631, 8090, 59384, 617083, 5480374, 54176239, 509231783, 4993452921, 48215558259, 473249770477, 4631610073092, 45669141577218, 450616426169273, 4464671668507302, 44308975264570192, 440935402785467477
OFFSET
1,2
COMMENTS
Column 3 of A199041
LINKS
EXAMPLE
Some solutions for n=4
..0..1..2....0..0..1....0..1..1....0..0..1....0..0..1....0..0..0....0..1..1
..0..1..2....0..0..1....0..2..2....0..2..1....2..2..1....1..1..0....0..2..2
..0..2..1....2..2..2....2..0..1....0..2..1....2..1..1....2..2..2....0..1..1
..0..2..1....2..1..1....2..0..1....2..2..1....2..0..0....1..1..2....0..2..2
CROSSREFS
Sequence in context: A282410 A290059 A062006 * A173415 A199232 A056006
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 02 2011
STATUS
approved