%I #5 Mar 31 2012 12:36:14
%S 6,82,2720,194568,26101232,5919004912,2103543163584
%N Number of nX3 array permutations with each element remaining in its original row or its original column
%C Column 3 of A188808
%e Some solutions for 3X3
%e ..6..0..8....2..0..1....1..4..8....6..0..8....0..4..8....6..1..5....6..2..1
%e ..5..1..4....3..4..5....3..5..2....5..4..3....5..7..2....3..7..4....5..4..3
%e ..3..7..2....6..8..7....0..6..7....7..1..2....3..1..6....0..8..2....0..7..8
%K nonn
%O 1,1
%A _R. H. Hardin_ Apr 11 2011