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A265238 Number of nX3 arrays containing 3 copies of 0..n-1 with no equal antidiagonal neighbors and new values introduced sequentially from 0. 0

%I

%S 1,4,92,4716,414716,55210372,10337500044,2587595524492,

%T 834145695871436,336495839997451716,166037668496103782012

%N Number of nX3 arrays containing 3 copies of 0..n-1 with no equal antidiagonal neighbors and new values introduced sequentially from 0.

%C Column 3 of A265241.

%e Some solutions for n=4

%e ..0..1..2....0..1..2....0..1..0....0..1..0....0..1..2....0..1..1....0..1..2

%e ..3..0..1....3..1..1....2..3..3....2..1..2....0..3..1....2..3..3....0..3..1

%e ..1..2..3....2..0..3....2..0..1....3..1..0....2..3..0....0..0..1....1..3..2

%e ..3..2..0....3..0..2....3..2..1....3..2..3....1..3..2....2..2..3....0..3..2

%Y Cf. A265241.

%K nonn

%O 1,2

%A _R. H. Hardin_, Dec 06 2015

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Last modified August 19 20:38 EDT 2022. Contains 356231 sequences. (Running on oeis4.)