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Number of nX4 arrays of permutations of 4 copies of 0..n-1 with every element equal to or 1 greater than any north neighbor modulo n and the upper left element equal to 0.
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%I #3 Jan 20 2016 08:22:36

%S 1,35,357,2386,13451,68151,314491,1381976,5796165,23520067,92980625

%N Number of nX4 arrays of permutations of 4 copies of 0..n-1 with every element equal to or 1 greater than any north neighbor modulo n and the upper left element equal to 0.

%C Column 4 of A267751.

%e Some solutions for n=4

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

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

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

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

%Y Cf. A267751.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jan 20 2016