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A207797
Number of (n+1) X 7 0..3 arrays with every 2 X 3 or 3 X 2 subblock having an unequal number of clockwise and counterclockwise edge increases.
0
15376544, 3276916896, 873499447968, 242220624640736, 68409320823594368
OFFSET
1,1
COMMENTS
Column 6 of A207799.
EXAMPLE
Some solutions for n=2:
..1..3..1..0..3..3..3....0..1..0..2..2..0..1....0..0..1..1..3..3..0
..2..2..3..3..2..0..3....3..2..0..0..1..2..1....3..1..2..3..1..2..1
..2..2..0..3..1..2..2....0..2..2..3..0..0..3....0..3..2..3..0..3..2
CROSSREFS
Sequence in context: A186616 A128480 A273355 * A186050 A121840 A345618
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 20 2012
STATUS
approved