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%I #6 Mar 31 2012 12:37:05
%S 3516,131918,4826836,175224700,6371258488,231711454340,8425775395122,
%T 306384370200864,11141104820943604,405126512891705954,
%U 14731690639194895486,535691041037070854438,19479429753357496535636
%N Number of (n+1)X3 0..3 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors
%C Column 2 of A205281
%H R. H. Hardin, <a href="/A205278/b205278.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..3..0..1....0..1..0....3..2..3....2..1..1....2..3..3....2..2..1....2..2..1
%e ..0..1..2....2..3..2....1..1..3....0..2..0....0..1..2....1..0..1....1..3..2
%e ..1..1..0....1..1..1....0..1..0....3..0..2....3..2..3....1..3..2....0..1..0
%e ..0..2..0....3..3..0....0..1..1....0..1..1....1..1..1....1..1..1....3..3..1
%e ..3..2..1....1..0..0....2..2..1....2..0..3....3..3..0....3..0..0....3..2..2
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 24 2012
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