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A206274 Number of (n+1) X 6 0..2 arrays with no 2 X 2 subblock having the number of clockwise edge increases equal to the number of counterclockwise edge increases in its adjacent leftward or upward neighbors. 1
19509, 35922, 133866, 495858, 2243139, 8405508, 33297948, 125846844, 520171458, 2032882188, 8441030760, 32995135068, 137694091206, 538836368046, 2242526518020, 8781930040704, 36621430354950, 143540058923604 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A206277.
LINKS
EXAMPLE
Some solutions for n=4:
..2..0..1..1..0..1....0..0..2..0..0..1....1..2..1..1..0..1....2..1..1..2..2..0
..2..1..2..2..1..1....0..1..0..0..0..1....1..0..2..2..1..1....1..0..0..1..1..2
..1..2..2..2..1..1....2..0..0..0..1..0....2..1..2..2..1..1....1..0..0..1..1..2
..1..2..2..0..2..0....2..0..0..1..2..2....0..1..1..0..2..0....2..1..1..0..0..1
..2..0..0..1..2..2....0..1..1..2..2..2....0..0..2..1..2..0....1..1..1..0..0..1
CROSSREFS
Sequence in context: A345575 A345831 A322101 * A033869 A031801 A022213
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 05 2012
STATUS
approved

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Last modified July 14 15:42 EDT 2024. Contains 374322 sequences. (Running on oeis4.)