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%I #5 Mar 31 2012 12:37:07
%S 4020,79644,1476942,26010268,464115072,8325468740,148827007430,
%T 2659178147340,47551879509036,850274306582468,15201511461415374,
%U 271786406380926280,4859382432160259832,86881923302659644976
%N Number of (n+1)X4 0..2 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors
%C Column 3 of A205894
%H R. H. Hardin, <a href="/A205889/b205889.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=3
%e ..1..1..0..1....2..2..0..1....0..0..1..1....0..0..2..0....2..1..0..0
%e ..2..1..2..0....2..1..2..1....2..2..1..2....0..2..2..2....0..2..1..2
%e ..1..2..1..2....2..1..0..2....1..1..0..2....1..1..2..2....1..2..1..0
%e ..0..0..1..0....1..2..1..1....1..2..2..2....2..1..2..0....1..2..2..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 01 2012
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