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Number of nX4 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of elements above it, modulo 4
1

%I #4 Mar 27 2014 09:06:36

%S 24,729,18728,510748,13597573,366379173,9807771898,263419973152,

%T 7064275271994,189566431524540,5085635223031781,136450277248685119,

%U 3660861731265982119,98220442090411319757,2635213560025173917109

%N Number of nX4 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of elements above it, modulo 4

%C Column 4 of A239819

%H R. H. Hardin, <a href="/A239815/b239815.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

%e ..3..0..2..2....3..2..3..2....3..2..3..2....3..2..2..0....3..2..3..2

%e ..3..0..2..0....2..1..1..2....3..1..2..1....2..1..0..0....1..0..2..1

%e ..1..0..0..2....1..3..3..2....2..1..1..1....3..2..0..2....3..0..0..2

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 27 2014