%I #3 Dec 17 2015 12:09:02
%S 0,2,894,1584088,10856237680,105870775847760,2630918094778547280,
%T 87716669699961619793280
%N Number of nX4 arrays of permutations of 4 copies of 0..n1 with no element plus any horizontal neighbor equal to n1.
%C Column 4 of A265882.
%e Some solutions for n=3
%e ..1..0..0..1....1..2..1..0....2..2..2..1....1..2..2..1....0..1..0..0
%e ..2..1..0..0....0..0..0..1....2..1..0..0....2..2..1..0....0..1..2..1
%e ..2..1..2..2....2..2..1..2....0..1..0..1....0..0..1..0....2..2..1..2
%Y Cf. A265882.
%K nonn
%O 1,2
%A _R. H. Hardin_, Dec 17 2015
