%I #5 Mar 31 2012 12:36:30
%S 16,160,2557,29190,358209,4268977,51167876,612121676,7361707007,
%T 88656931195,1068147837085,12872396820775,155149962503924,
%U 1870214789373352,22545546614910072,271799896014413918
%N Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,0,1,0,1 for x=0,1,2,3,4
%C Every 0 is next to 0 2's, every 1 is next to 1 0's, every 2 is next to 2 1's, every 3 is next to 3 0's, every 4 is next to 4 1's
%C Column 6 of A197679
%H R. H. Hardin, <a href="/A197677/b197677.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions containing all values 0 to 4 for n=4
%e ..0..0..0..1..1..0....2..1..0..1..1..1....1..2..1..1..0..0....0..1..1..0..0..0
%e ..3..0..0..1..4..1....1..4..1..1..0..0....0..3..0..1..1..1....0..1..1..0..3..0
%e ..0..3..0..1..1..1....0..1..4..1..3..0....3..0..0..1..4..1....1..1..4..1..1..0
%e ..1..2..1..1..0..0....0..1..1..0..0..0....0..0..0..1..1..0....1..0..1..2..2..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Oct 17 2011
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