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A206064
Number of (n+1)X(n+1) 0..2 arrays with every 2X3 or 3X2 subblock having exactly three clockwise edge increases
1
81, 606, 27654, 2991276, 759076386, 452464863480, 635039160433908, 2102329455182593428, 16435908654641541759006, 303684609739411084385625516, 13268777833680838626236831257044, 1371504097617322102693152060065678520
OFFSET
1,1
COMMENTS
Diagonal of A206072
LINKS
EXAMPLE
Some solutions for n=4
..0..1..0..2..1....1..1..2..0..2....1..2..2..0..0....0..1..2..0..2
..2..0..1..0..2....0..2..1..0..0....0..1..0..2..1....2..0..1..0..0
..0..1..0..1..0....2..1..0..2..1....2..0..2..0..2....1..2..0..2..1
..1..2..1..0..1....1..0..1..0..2....0..1..0..1..0....0..0..1..0..2
..2..0..2..1..2....0..1..2..1..0....1..0..2..0..1....1..0..2..1..0
CROSSREFS
Sequence in context: A236490 A235437 A235432 * A359607 A016756 A182647
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 03 2012
STATUS
approved