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%I #3 Nov 29 2015 06:03:54
%S 0,2,16108,730983420,102117302729744,36724170744914466520,
%T 29526013062983124375791088
%N Number of nX6 arrays of permutations of 6 copies of 0..n-1 with no equal horizontal neighbors and new values introduced sequentially from 0.
%C Column 6 of A264945.
%e Some solutions for n=3
%e ..0..1..0..2..0..2....0..1..2..0..2..1....0..1..0..1..0..2....0..1..2..1..0..2
%e ..0..1..0..1..2..1....1..0..1..2..1..0....2..0..2..0..1..2....0..1..0..2..0..1
%e ..2..1..2..1..2..0....2..0..2..1..2..0....1..2..0..1..2..1....2..0..2..1..2..1
%Y Cf. A264945.
%K nonn
%O 1,2
%A _R. H. Hardin_, Nov 29 2015