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%I #4 Jan 26 2013 07:17:00
%S 0,12,14,1041,7320,123644,1271018,17049353,196353922,2459348722,
%T 29384305780,360468322267,4356949776930,53099711422957,
%U 644154946941384,7834538105922852,95149701105775632,1156519086175555400
%N Number of 3Xn arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, without move-in move-out straight through or left turns
%C Row 3 of A221817
%H R. H. Hardin, <a href="/A221819/b221819.txt">Table of n, a(n) for n = 1..62</a>
%e Some solutions for n=3
%e ..1..1..1....0..2..1....0..3..1....0..1..1....0..1..1....0..2..1....0..3..1
%e ..0..2..0....1..2..0....0..2..1....0..2..1....1..2..0....0..2..1....0..2..0
%e ..1..3..0....1..2..0....1..1..0....1..3..0....1..3..0....1..2..0....1..1..1
%K nonn
%O 1,2
%A _R. H. Hardin_ Jan 26 2013