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%I #4 Sep 29 2012 06:57:00
%S 16,20736,17640000,14755689729,12276607432401,10211121295308649,
%T 8491624540729737796,7061648944253957079481,5872435140472364430803929,
%U 4883489824271582246264899984,4061085890163124328387958867561
%N Number of nX6 arrays of occupancy after each element moves to some horizontal or vertical neighbor
%C Column 6 of A217273
%H R. H. Hardin, <a href="/A217271/b217271.txt">Table of n, a(n) for n = 1..15</a>
%e Some solutions for n=3
%e ..0..1..1..0..0..0....0..1..1..1..3..0....0..1..0..0..1..1....0..1..1..1..3..2
%e ..0..0..4..4..1..2....0..1..1..1..2..0....0..1..2..1..1..3....0..1..1..1..1..0
%e ..2..1..0..1..0..1....0..1..1..1..2..2....2..1..0..1..1..2....0..1..1..1..2..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Sep 29 2012
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