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%I #5 Aug 11 2014 22:46:11
%S 11,113,1480,18728,232272,2912793,36627126,459870638,5774508494,
%T 72538478424,911227478673,11446501405086,143789611879946,
%U 1806288798172920,22690641341877163,285040443527806965
%N Number of 3Xn 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 3 of A239819
%H R. H. Hardin, <a href="/A239821/b239821.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A239821/a239821.txt">Empirical recurrence of order 64</a>
%F Empirical recurrence of order 64 (see link above)
%e Some solutions for n=4
%e ..2..0..0..3....3..2..2..0....2..0..0..0....3..2..0..0....3..2..3..2
%e ..1..2..0..1....2..0..0..0....1..3..2..0....1..0..0..0....3..2..2..0
%e ..3..1..3..0....3..1..1..2....2..3..2..2....3..2..3..2....1..3..3..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Mar 27 2014
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