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 A183816 1/81 the number of (n+1)X6 0..2 arrays with no 2X2 subblock being a reflection across the shared element pair of any horizontal or vertical neighbor 0
 4096, 1321860, 414246824, 131467169720, 41531687999736, 13143529051807800, 4156740912572653752 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 5 of A183819 LINKS EXAMPLE Some solutions with upper left block zero for 3X6 ..0..0..0..0..1..2....0..0..0..0..1..2....0..0..0..0..0..2....0..0..0..0..2..0 ..0..0..1..1..1..2....0..0..1..2..2..0....0..0..1..2..2..0....0..0..2..1..1..0 ..0..1..2..2..1..0....1..2..1..0..2..1....2..1..1..1..2..0....1..1..2..0..1..2 CROSSREFS Sequence in context: A224395 A224028 A269206 * A224285 A224208 A017034 Adjacent sequences:  A183813 A183814 A183815 * A183817 A183818 A183819 KEYWORD nonn AUTHOR R. H. Hardin Jan 07 2011 STATUS approved

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Last modified January 28 10:24 EST 2022. Contains 350655 sequences. (Running on oeis4.)