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A185805 Number of (n+1) X 8 0..3 arrays with every 2 X 2 subblock trace equal to some horizontal or vertical neighbor 2 X 2 subblock trace. 0
10419200, 42093682560, 75902079167968, 166089641496321408, 348593375731473172480 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A185807.
LINKS
EXAMPLE
Some solutions for 3 X 8
..0..0..0..2..0..0..2..3....0..0..0..2..2..1..1..3....0..0..0..0..0..1..3..2
..0..0..0..0..1..3..3..3....0..0..0..0..0..0..1..3....0..0..0..0..3..3..3..1
..0..0..0..0..0..2..2..2....0..0..0..0..0..3..3..3....0..0..0..0..0..3..3..3
CROSSREFS
Cf. A185807.
Sequence in context: A241791 A234198 A186921 * A306476 A251640 A066870
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 04 2011
STATUS
approved

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Last modified June 22 06:24 EDT 2024. Contains 373565 sequences. (Running on oeis4.)