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%I #9 Sep 13 2013 21:55:41
%S 0,1,47,5167,1950380,2709368919
%N Number of triangular nXnXn arrays of occupancy after each element moves to some neighbor but without 2-loops and with no occupancy greater than 4.
%C Column 4 of A217232.
%e Some solutions for n=4
%e .....1........0........0........0........0........0........0........1
%e ....2.1......1.1......2.2......2.0......1.1......1.0......0.2......1.2
%e ...2.0.1....2.1.0....0.2.3....1.2.0....0.2.0....0.4.1....3.1.1....1.0.1
%e ..0.2.1.0..0.3.2.0..0.1.0.0..0.3.1.1..0.3.2.1..1.2.1.0..1.1.0.1..1.2.0.1
%K nonn,hard,more
%O 1,3
%A _R. H. Hardin_, Sep 28 2012
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