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%I #5 Jan 11 2013 06:28:41
%S 0,13,85,758,5736,44186,335511,2551999,19387680,147314684,1119227588,
%T 8503470301,64605367209,490840923878,3729168338072,28332370303954,
%U 215255161696051,1635400433430595,12424947349080184,94398470191658900
%N Number of nX2 arrays of occupancy after each element moves to some king-move neighbor, with no 2-loops and with no occupancy greater than 2
%C Column 2 of A221341
%H R. H. Hardin, <a href="/A221338/b221338.txt">Table of n, a(n) for n = 1..68</a>
%F Empirical: a(n) = 17*a(n-1) -96*a(n-2) +174*a(n-3) +255*a(n-4) -1452*a(n-5) +1878*a(n-6) +67*a(n-7) -2335*a(n-8) +1974*a(n-9) -508*a(n-10)
%e Some solutions for n=3
%e ..0..1....0..1....0..0....0..1....2..1....0..0....1..0....1..1....0..1....0..2
%e ..2..1....2..1....1..2....1..2....2..1....2..2....2..1....2..1....2..0....1..2
%e ..2..0....1..1....1..2....2..0....0..0....2..0....1..1....0..1....1..2....0..1
%K nonn
%O 1,2
%A _R. H. Hardin_ Jan 11 2013
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