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A206599
Number of (n+1)X7 0..3 arrays with every 2X3 or 3X2 subblock having no more than three equal edges, and new values 0..3 introduced in row major order
0
9217211, 110294918412, 1352952771405899, 16580357350118698482, 203129458750387512198476
OFFSET
1,1
COMMENTS
Column 6 of A206600
EXAMPLE
Some solutions for n=4
..0..0..0..1..0..1..0....0..1..1..0..0..2..3....0..0..0..1..0..1..0
..0..1..2..2..0..1..0....3..0..0..2..1..3..2....0..1..2..1..1..0..1
..2..0..1..1..1..2..3....0..1..0..2..0..1..2....1..3..2..3..2..0..2
..2..2..3..1..3..3..0....1..3..0..1..1..3..2....3..0..1..0..1..2..2
..0..3..1..3..0..2..0....2..0..2..2..1..1..0....0..3..2..3..0..1..0
CROSSREFS
Sequence in context: A187675 A205615 A251399 * A245746 A206098 A105175
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 09 2012
STATUS
approved