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%I #4 Feb 07 2013 05:46:46
%S 8,308,11698,439644,16509768,619931605,23277561783,874033601365,
%T 32818427706942,1232273510253579,46269666765829350,
%U 1737343162836648930,65234125114783960319,2449424592893411034116,91971507601402242033646
%N Number of 3Xn arrays of occupancy after each element stays put or moves to some horizontal, vertical or antidiagonal neighbor, without move-in move-out left turns
%C Row 3 of A222093
%H R. H. Hardin, <a href="/A222095/b222095.txt">Table of n, a(n) for n = 1..22</a>
%e Some solutions for n=3
%e ..0..1..2....1..0..2....0..1..1....1..0..0....0..1..1....0..3..1....1..0..1
%e ..3..1..1....0..2..1....3..0..4....0..2..3....1..3..0....2..0..0....0..2..3
%e ..1..0..0....1..0..2....0..0..0....2..0..1....1..1..1....0..3..0....0..2..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 07 2013
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