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A205978
Number of (n+1)X(n+1) 0..2 arrays with every 2X3 or 3X2 subblock having exactly two clockwise edge increases
1
81, 1980, 27060, 419088, 9653376, 338009472, 19410499584, 1690931386368, 230418338273280, 52219993101631488, 18073632573916545024, 9818099537300641382400, 8885510832166696098201600
OFFSET
1,1
COMMENTS
Diagonal of A205986
LINKS
EXAMPLE
Some solutions for n=4
..0..0..1..0..2....0..1..2..0..2....2..0..1..2..2....0..1..1..0..1
..1..1..2..0..0....0..2..2..0..0....0..0..1..1..0....1..1..2..1..1
..2..1..1..2..0....2..2..1..2..2....1..1..2..1..1....1..2..1..1..2
..0..2..1..1..0....2..0..2..2..0....2..1..1..0..1....2..1..1..2..0
..0..0..2..1..0....2..1..2..0..2....0..2..1..1..2....2..1..0..0..0
CROSSREFS
Sequence in context: A238038 A236088 A253448 * A037211 A238237 A350870
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 02 2012
STATUS
approved