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A206748 Number of (n+1) X 5 0..3 arrays with every 2 X 3 or 3 X 2 subblock having an equal number of clockwise and counterclockwise edge increases. 1
139744, 18037344, 2475217568, 343128343904, 47661729160320, 6623662914493232, 920635927293402816, 127966527042768090112, 17787331384989306094464, 2472447761779734270938096, 343671940370501023645895072 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A206752.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..92

EXAMPLE

Some solutions for n=4:

..2..1..0..3..1....0..0..3..0..0....2..3..2..0..1....3..1..0..2..1

..0..2..1..0..2....1..1..0..3..3....2..2..3..1..2....0..3..1..3..2

..2..0..3..1..0....3..3..1..0..3....0..2..2..3..0....3..2..3..3..2

..1..2..1..2..1....1..1..3..1..0....0..0..2..2..3....3..2..2..2..0

..1..1..0..1..0....0..1..1..2..1....2..0..2..3..2....2..0..2..0..2

CROSSREFS

Sequence in context: A205213 A206221 A028518 * A018234 A179583 A252588

Adjacent sequences: A206745 A206746 A206747 * A206749 A206750 A206751

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 12 2012

STATUS

approved

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Last modified November 28 12:20 EST 2022. Contains 358416 sequences. (Running on oeis4.)