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A206682 Number of (n+1) X 6 0..2 arrays with every 2 X 3 or 3 X 2 subblock having an unequal number of clockwise and counterclockwise edge increases. 1
24336, 317736, 5747676, 84549024, 1533200232, 22293930744, 401233408020, 5846128911096, 105220089057252, 1533334835456760, 27601628613864552, 402223201377376200, 7240509893370945276, 105511280014998057264 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A206685.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=4:

..1..2..0..1..2..1....2..2..1..2..2..2....2..0..2..1..0..1....2..1..2..1..1..1

..2..2..1..0..0..2....1..2..0..1..0..0....2..0..1..1..2..0....1..0..2..2..0..0

..0..1..1..2..0..1....0..2..2..1..1..2....2..1..2..0..1..0....1..2..0..1..2..1

..2..0..2..2..1..2....0..0..1..2..0..1....1..1..0..2..2..1....0..1..1..0..2..2

..1..0..0..1..0..2....2..1..1..0..0..2....0..2..1..1..2..0....2..1..1..2..0..1

CROSSREFS

Sequence in context: A156843 A156844 A174754 * A083621 A083622 A237207

Adjacent sequences:  A206679 A206680 A206681 * A206683 A206684 A206685

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 11 2012

STATUS

approved

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Last modified August 10 04:38 EDT 2020. Contains 336368 sequences. (Running on oeis4.)