%I #5 Mar 31 2012 12:36:14
%S 1,4,20,272,6032,205312,9672448,601903360,47722897664,4692633242624
%N Number of nX2 array permutations with each element moved but remaining in its original row or its original column
%C Column 2 of A188813
%e Some solutions for 3X2
%e ..2..5....4..5....4..3....1..0....4..5....2..5....2..0....4..3....1..0....1..0
%e ..3..1....0..1....0..2....4..5....3..2....4..1....3..1....0..5....3..2....4..2
%e ..0..4....2..3....5..1....2..3....0..1....0..3....5..4....2..1....5..4....5..3
%K nonn
%O 1,2
%A _R. H. Hardin_ Apr 11 2011
