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A205613
Number of 6X(n+1) 0..3 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..3 introduced in row major order
1
96288, 3889612, 131086803, 5847666690, 219511132715, 10366271787461, 409909278230699, 20410148338873225, 841229528046364604, 43953653131020278719, 1880936586870704957614, 102267320200161209394334
OFFSET
1,1
COMMENTS
Row 5 of A205609
LINKS
EXAMPLE
Some solutions for n=4
..0..0..1..0..0....0..0..1..0..1....0..0..0..0..1....0..0..0..0..0
..0..1..1..0..1....2..3..1..2..1....0..1..0..1..1....1..0..2..0..1
..2..2..3..0..2....3..2..3..1..0....2..1..2..2..0....0..1..3..1..2
..2..3..3..0..2....0..0..3..2..2....1..1..1..2..2....3..1..2..1..0
..0..0..1..1..1....0..3..3..2..3....3..2..0..0..3....3..1..2..1..0
..1..0..0..0..1....2..2..1..1..3....2..2..0..3..3....2..3..0..2..1
CROSSREFS
Sequence in context: A270149 A270116 A031676 * A205351 A343282 A224569
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 29 2012
STATUS
approved