A266866 - OEIS

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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.

1, 0, 17, 1304, 530368, 358960340, 415907473523, 746349711489188, 1963150997018131136

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OFFSET

1,3

COMMENTS

Column 3 of A266867.

LINKS

Table of n, a(n) for n=1..9.

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: A268067 A348598 A188717 * A289945 A128542 A316746

Adjacent sequences: A266863 A266864 A266865 * A266867 A266868 A266869

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 04 2016

STATUS

approved