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A206212
Number of (n+1) X 6 0..2 arrays with every 2 X 3 or 3 X 2 subblock having exactly two equal edges, and new values 0..2 introduced in row major order.
1
2268, 2996, 5632, 21984, 86152, 359424, 1435584, 5673232, 23721984, 94748544, 374433312, 1565650944, 6253403904, 24712598592, 103332962304, 412724657664, 1631031507072, 6819975512064, 27239827405824, 107648079466752
OFFSET
1,1
COMMENTS
Column 5 of A206215.
LINKS
FORMULA
Empirical: a(n) = 66*a(n-3) for n > 810.
EXAMPLE
Some solutions for n=4
..0..0..1..1..0..2....0..1..2..0..1..1....0..0..1..0..2..1....0..0..1..0..2..0
..1..1..0..1..1..0....1..1..2..2..0..1....0..1..0..0..2..2....0..2..0..0..2..2
..2..1..1..2..1..1....0..0..1..2..2..0....1..0..0..2..1..1....1..0..0..1..0..0
..1..0..1..1..2..2....1..0..0..1..2..2....0..0..2..1..1..0....0..0..1..0..0..1
..1..1..2..1..2..0....2..1..0..0..1..1....2..2..1..1..0..1....2..2..0..0..1..0
CROSSREFS
Cf. A206215.
Sequence in context: A263963 A272376 A288883 * A154673 A130179 A205756
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 04 2012
STATUS
approved