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%I #4 Aug 12 2016 07:05:18
%S 1,0,1,44,6850,3070032,3287263919,5468455977296
%N Number of nX3 arrays containing 3 copies of 0..n-1 with no element 1 greater than its north, west, northeast or southeast neighbor modulo n and the upper left element equal to 0.
%C Column 3 of A266854.
%e Some solutions for n=5
%e ..0..4..1....0..2..1....0..2..4....0..4..3....0..2..4....0..3..2....0..3..0
%e ..3..3..1....4..1..3....4..2..4....3..3..1....4..1..3....2..0..4....2..2..4
%e ..1..0..4....1..0..3....1..1..3....2..1..0....4..1..1....4..3..3....1..4..3
%e ..0..4..3....4..2..0....0..3..1....1..0..2....3..0..3....2..1..1....4..2..1
%e ..2..2..2....2..4..3....2..0..3....4..4..2....2..0..2....0..4..1....1..0..3
%Y Cf. A266854.
%K nonn
%O 1,4
%A _R. H. Hardin_, Jan 04 2016