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%I #4 Mar 27 2014 09:18:10
%S 293,78188,28156167,9807771898,3347474694032,1154988223050638,
%T 399696014140196630,138146553326582677362,47759100046784529992245,
%U 16518942523671833416785350,5714008803899171208707626059
%N Number of 7Xn 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 7 of A239819
%H R. H. Hardin, <a href="/A239825/b239825.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=2
%e ..3..0....2..0....3..0....3..2....3..0....2..3....2..0....2..0....3..2....3..2
%e ..2..0....1..3....1..0....1..0....2..3....1..2....1..3....1..3....2..1....3..0
%e ..1..3....3..2....2..0....3..1....1..2....3..1....1..3....3..2....3..2....1..2
%e ..2..1....2..0....1..0....1..3....1..0....2..0....3..2....2..3....2..1....1..2
%e ..3..0....3..1....3..0....3..2....1..0....2..0....3..0....2..0....2..1....3..0
%e ..1..2....1..0....1..3....3..2....2..0....2..1....1..2....2..3....2..1....3..0
%e ..3..2....2..0....2..3....2..0....2..1....2..1....3..0....2..1....2..0....1..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Mar 27 2014
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