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%I #5 Mar 31 2012 12:36:00
%S 1352770,119805310,10047874534,564143008386,42151760266070,
%T 3068818942252922,213876509386388262,15511761707358612866,
%U 1118945141084512520558,80408360347124360370778
%N Number of (n+2)X4 0..3 arrays with each 3X3 subblock singular
%C Column 2 of A184663
%H R. H. Hardin, <a href="/A184661/b184661.txt">Table of n, a(n) for n = 1..45</a>
%e Some solutions for 5X4
%e ..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
%e ..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
%e ..0..0..0..0....1..0..0..0....2..0..0..0....0..0..0..0....0..0..0..0
%e ..2..0..0..3....1..1..2..0....2..0..0..1....1..1..0..2....1..3..3..0
%e ..2..1..0..0....1..0..0..3....0..3..1..0....3..3..1..3....1..0..2..3
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 19 2011
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