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A185886 1/729 the number of (n+2)X6 0..2 arrays with no 3X3 subblock trace equal to any horizontal or vertical neighbor 3X3 subblock trace 1
282672, 66642628, 16772497838, 4223442979220, 1060306245936410, 266120814001133510, 66791286531734378864, 16763506421271197917026, 4207342478663733222005422, 1055970180394670224478558282 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A185891
LINKS
EXAMPLE
Some solutions for 4X6
..0..0..2..0..0..1....0..0..2..0..2..0....0..0..0..0..0..0....0..0..0..1..2..1
..0..0..0..2..0..1....0..0..0..2..0..0....0..0..0..2..0..0....0..0..0..0..2..0
..0..0..0..1..2..1....0..0..0..1..2..1....0..0..0..1..1..0....0..0..0..1..0..0
..0..0..1..0..1..2....0..0..1..0..2..1....0..0..1..0..1..1....0..0..1..0..2..1
CROSSREFS
Sequence in context: A235173 A245659 A321055 * A235827 A204866 A236504
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 05 2011
STATUS
approved

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)