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 A266307 Number of nX3 arrays containing 3 copies of 0..n-1 with no element 1 greater than its west neighbor modulo n and the upper left element equal to 0. 0
 1, 1, 39, 8190, 3264584, 2357929910, 2805027363620, 5125417483461520, 13647329614464753200 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Column 3 of A266309. LINKS EXAMPLE Some solutions for n=4 ..0..3..3....0..2..1....0..0..3....0..2..2....0..2..2....0..3..1....0..0..2 ..1..1..3....1..3..3....0..3..2....3..1..3....3..1..3....1..0..3....3..3..2 ..2..0..2....0..0..2....1..1..1....0..2..1....1..1..0....2..2..0....1..3..2 ..2..1..0....1..3..2....3..2..2....0..3..1....0..3..2....3..2..1....1..1..0 CROSSREFS Cf. A266309. Sequence in context: A323688 A266453 A279116 * A210327 A174765 A115462 Adjacent sequences:  A266304 A266305 A266306 * A266308 A266309 A266310 KEYWORD nonn AUTHOR R. H. Hardin, Dec 26 2015 STATUS approved

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Last modified September 22 06:01 EDT 2021. Contains 347605 sequences. (Running on oeis4.)