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A186217 Number of (n+1)X8 0..2 arrays with every 2X2 subblock determinant equal to some horizontal or vertical neighbor 2X2 subblock determinant 0
353985, 213108423, 43035959317, 13767728347159, 3611859394076247 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A186218
LINKS
EXAMPLE
Some solutions for 3X8
..0..0..0..2..0..0..2..2....0..0..0..2..2..1..2..0....0..0..0..2..0..2..2..1
..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0
..0..0..0..0..2..1..0..1....0..0..0..0..2..0..0..2....0..0..0..1..1..2..0..0
CROSSREFS
Sequence in context: A284081 A050515 A179709 * A237411 A235980 A169806
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 15 2011
STATUS
approved

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Last modified March 28 10:55 EDT 2024. Contains 371241 sequences. (Running on oeis4.)