%I #5 Mar 31 2012 12:37:03
%S 1624,12744,44726,353626,1425462,10332706,45388048,307057212,
%T 1435551124,9233564740,45214143964,280355783930,1421151419140,
%U 8581104455222,44642397960012,264431250310716,1402840195850906,8195345840290280
%N Number of (n+1)X3 0..4 arrays with the permanents of all 2X2 subblocks equal and nonzero
%C Column 2 of A204732
%H R. H. Hardin, <a href="/A204726/b204726.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..3..0..3....0..1..0....3..4..4....2..3..2....1..1..3....2..4..4....4..3..3
%e ..4..3..2....3..3..3....3..4..2....0..1..0....3..0..3....1..2..0....4..0..4
%e ..3..0..3....0..1..0....3..4..4....2..0..2....0..1..0....2..4..4....3..3..3
%e ..3..3..3....3..0..3....3..4..2....1..1..2....3..2..3....1..2..0....3..1..3
%e ..3..0..3....4..1..2....3..4..4....1..1..0....0..1..0....2..4..4....3..3..3
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 18 2012