%I #3 Dec 12 2015 11:05:52
%S 0,0,16,34056,234168152,1832864246736,53270988987457584
%N Number of nX4 arrays of permutations of 4 copies of 0..n-1 with no element plus any horizontal or vertical neighbor equal to n-1.
%C Column 4 of A265663.
%e Some solutions for n=4
%e ..3..2..0..1....3..2..0..2....1..0..0..1....2..2..3..1....1..3..1..0
%e ..3..3..2..0....2..3..1..0....3..2..2..0....2..0..2..0....1..3..3..2
%e ..1..1..0..2....2..3..1..0....1..3..3..1....3..1..0..1....0..2..3..2
%e ..3..1..0..2....3..1..0..1....0..2..2..3....3..3..1..0....2..0..1..0
%Y Cf. A265663.
%K nonn
%O 1,3
%A _R. H. Hardin_, Dec 12 2015