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A205756 Number of 5X(n+1) 0..2 arrays with every 2X2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..2 introduced in row major order 1
2268, 12384, 63838, 383290, 2244622, 14131118, 88143754, 572187838, 3709029086, 24613160072, 163670433374, 1104155427184, 7473775678826, 51060113489722, 350078262846120, 2415378206667070, 16720104940755442, 116264115349570420 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 4 of A205753
LINKS
EXAMPLE
Some solutions for n=4
..0..0..1..0..2....0..0..1..2..0....0..0..1..0..1....0..1..0..1..0
..2..0..0..0..2....1..0..1..2..2....1..1..1..1..1....0..0..0..0..0
..2..1..2..1..2....1..2..1..0..1....1..1..1..1..1....0..0..0..0..0
..1..2..1..0..1....0..1..2..1..2....1..2..1..2..1....1..0..2..0..1
..2..2..1..1..1....2..1..0..0..2....2..1..0..1..0....2..0..1..0..2
CROSSREFS
Sequence in context: A206212 A154673 A130179 * A205586 A125253 A308792
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 30 2012
STATUS
approved

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)