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%I #4 Jan 09 2013 16:28:44
%S 41,7305,1388449,270434991,53074198285,10441043545431,
%T 2055191230733819,404558715308586615,79631428749088948978,
%U 15673309615820170766551,3084736188812654258436809,607104281948887764280719305
%N Number of nX5 arrays of occupancy after each element stays put or moves to some horizontal or vertical neighbor, with no occupancy greater than 2
%C Column 5 of A221303
%H R. H. Hardin, <a href="/A221300/b221300.txt">Table of n, a(n) for n = 1..15</a>
%e Some solutions for n=3
%e ..0..1..2..1..0....0..1..0..2..1....0..1..1..2..0....0..2..1..2..0
%e ..0..0..1..1..2....0..2..0..0..2....0..0..2..0..2....0..2..2..0..1
%e ..1..2..2..1..1....2..1..1..2..1....2..2..1..2..0....2..1..0..2..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 09 2013
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