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A265862 Number of n X 4 arrays of permutations of 4 copies of 0..n-1 with no element plus any vertical neighbor equal to n-1.

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%I A265862 #5 Oct 02 2021 10:23:08
%S A265862 1,6,1462,1584088,8616332520,71643177829872,1642669067898696816
%N A265862 Number of n X 4 arrays of permutations of 4 copies of 0..n-1 with no element plus any vertical neighbor equal to n-1.
%C A265862 Column 4 of A265863.
%e A265862 Some solutions for n=3
%e A265862 ..2..2..2..0....2..1..0..0....0..2..1..0....1..2..0..2....2..0..0..2
%e A265862 ..1..1..1..0....1..2..0..0....0..1..2..0....0..1..1..2....1..1..1..1
%e A265862 ..0..0..2..1....2..2..1..1....1..2..2..1....0..0..2..1....2..0..0..2
%Y A265862 Cf. A265863.
%K A265862 nonn
%O A265862 1,2
%A A265862 _R. H. Hardin_, Dec 17 2015

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