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A205952 Number of (n+1) X 6 0..3 arrays with no 2 X 2 subblock having the same number of clockwise edge increases as its horizontal neighbors or the same number of counterclockwise edge increases as its vertical neighbors. 0
1285076, 47118720, 1912957100, 90234357280, 4762415402596, 273204243466080 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A205954.

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions for n=4:

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

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

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

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

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

CROSSREFS

Sequence in context: A091291 A205178 A205663 * A205463 A247583 A206749

Adjacent sequences:  A205949 A205950 A205951 * A205953 A205954 A205955

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 02 2012

STATUS

approved

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Last modified July 4 11:49 EDT 2022. Contains 355075 sequences. (Running on oeis4.)