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A206684 Number of (n+1) X 8 0..2 arrays with every 2 X 3 or 3 X 2 subblock having an unequal number of clockwise and counterclockwise edge increases. 1
422016, 10300608, 373903296, 11019153780, 401233408020, 11814420790656, 430502655386142, 12617309045283948, 458475690005909256, 13442826543270192528, 488345209526432269122, 14319618461612628650220 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A206685.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..19

EXAMPLE

Some solutions for n=4:

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

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

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

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

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

CROSSREFS

Sequence in context: A164729 A164730 A084734 * A202405 A264764 A130022

Adjacent sequences:  A206681 A206682 A206683 * A206685 A206686 A206687

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 11 2012

STATUS

approved

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Last modified August 12 09:17 EDT 2020. Contains 336438 sequences. (Running on oeis4.)