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A206077
Number of (n+1)X(n+1) 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock equal to one
0
124, 13672, 4379116, 3974151636, 9872088702792, 66942855421767116, 1235464317731532811636, 62111169401391445609577832
OFFSET
1,1
COMMENTS
Diagonal of A206085
EXAMPLE
Some solutions for n=4
..0..1..2..1..3....1..1..1..3..3....2..1..1..2..2....1..1..3..3..0
..0..1..1..1..2....3..3..1..2..2....0..1..2..2..0....3..1..1..3..3
..0..0..0..1..1....1..3..1..1..1....0..1..1..2..2....1..1..2..2..3
..0..1..1..1..2....1..1..1..3..3....0..0..1..1..1....2..1..1..2..2
..1..1..0..1..1....1..2..1..3..0....2..0..1..3..3....3..3..1..1..2
CROSSREFS
Sequence in context: A293084 A289299 A035816 * A097842 A206189 A299828
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 03 2012
STATUS
approved