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 A266866 Number of nX3 arrays containing 3 copies of 0..n-1 with no element 1 greater than its west or northeast neighbor modulo n and the upper left element equal to 0. 0
 1, 0, 17, 1304, 530368, 358960340, 415907473523, 746349711489188, 1963150997018131136 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Column 3 of A266867. LINKS EXAMPLE Some solutions for n=4 ..0..3..2....0..3..1....0..3..1....0..3..1....0..2..1....0..2..2....0..2..0 ..3..1..0....2..1..0....1..0..3....1..1..3....0..0..3....2..1..3....2..0..3 ..3..2..1....1..0..3....0..3..2....0..2..2....2..1..3....3..1..0....2..1..1 ..2..1..0....3..2..2....2..2..1....2..0..3....3..2..1....1..0..3....1..3..3 CROSSREFS Cf. A266867. Sequence in context: A022546 A268067 A188717 * A289945 A128542 A316746 Adjacent sequences:  A266863 A266864 A266865 * A266867 A266868 A266869 KEYWORD nonn AUTHOR R. H. Hardin, Jan 04 2016 STATUS approved

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Last modified June 20 09:55 EDT 2021. Contains 345162 sequences. (Running on oeis4.)