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%I #4 Mar 27 2014 09:15:51
%S 25,582,17552,510748,14544801,418324402,12059066460,347095468871,
%T 9991360194005,287711413471266,8284928413145004,238566125657445992,
%U 6869701227384114007,197820645386511819554,5696463550662058123697
%N Number of 4Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it, modulo 4
%C Row 4 of A239819
%H R. H. Hardin, <a href="/A239822/b239822.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=3
%e ..2..3..2....2..3..0....2..3..2....2..3..0....3..2..3....2..3..3....3..2..0
%e ..2..3..0....1..2..2....1..3..2....1..2..0....1..2..1....1..2..1....3..0..2
%e ..3..0..1....2..0..0....3..1..2....1..3..3....3..2..2....1..3..3....1..0..0
%e ..2..1..2....3..1..2....1..2..2....2..3..2....3..2..0....2..0..3....3..1..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Mar 27 2014
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