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A205519
Number of (n+1)X8 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock differing from each horizontal or vertical neighbor
1
750426, 43434216, 3703472454, 291860355624, 23817299324910, 1873315597879056, 153727495029223899, 12064169543471230344, 990342568808823237237, 77725844134691110148598, 6379845168269713848869523
OFFSET
1,1
COMMENTS
Column 7 of A205520
LINKS
EXAMPLE
Some solutions for n=4
..1..0..2..2..1..1..2..2....0..1..2..0..0..1..2..0....1..1..2..2..2..1..0..0
..1..2..0..1..2..2..1..1....2..1..1..0..2..2..2..1....0..0..1..2..2..0..1..2
..0..2..0..2..2..2..0..2....2..1..1..1..0..1..0..0....0..0..0..1..2..1..1..0
..2..2..1..2..2..0..1..1....0..2..1..1..1..0..0..0....1..2..1..1..0..0..2..2
..1..0..1..0..1..0..0..2....1..1..2..0..2..2..1..1....1..0..0..2..2..1..2..2
CROSSREFS
Sequence in context: A352345 A205743 A206675 * A166001 A253374 A204229
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 28 2012
STATUS
approved