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%I #4 Sep 21 2013 07:03:58
%S 22,126,956,6730,48490,346598,2486980,17808604,127696504,914844004,
%T 6558227280,46993954326,336844120550,2413933454878,17301596035866,
%U 123994418056868,888689321106698,6369062557713410,45647482408072212
%N Number of nX3 0..2 arrays avoiding 11 horizontally, 22 vertically and 00 diagonally or antidiagonally
%C Column 3 of A229380
%H R. H. Hardin, <a href="/A229375/b229375.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = 4*a(n-1) +50*a(n-2) -133*a(n-3) -653*a(n-4) +1214*a(n-5) +2281*a(n-6) -3420*a(n-7) -2248*a(n-8) +2704*a(n-9) +835*a(n-10) -481*a(n-11) -120*a(n-12)
%e Some solutions for n=4
%e ..2..0..1....0..0..1....2..2..2....2..1..2....0..1..0....1..2..2....0..1..2
%e ..1..0..2....1..2..1....0..0..1....1..2..0....1..2..1....0..0..1....1..2..0
%e ..1..2..1....0..1..0....1..2..1....0..1..0....1..0..0....1..2..2....2..1..0
%e ..0..1..0....0..2..0....1..0..2....2..2..1....2..1..2....0..0..0....0..1..2
%K nonn
%O 1,1
%A _R. H. Hardin_ Sep 21 2013
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