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%I #5 Dec 18 2015 18:18:46
%S 1,23,2411,1704619,8716796353,316516682114845,81520970965131916225,
%T 149039167947057559464970099
%N Number of n X n 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or vertically
%C Diagonal of A232368
%e Some solutions for n=3
%e ..2..1..1....2..0..2....0..0..2....0..1..1....1..1..2....2..0..2....2..2..1
%e ..0..1..2....2..1..1....1..1..2....0..2..2....2..2..2....1..1..2....1..2..0
%e ..2..1..1....2..0..2....2..2..1....1..2..1....2..1..1....0..2..2....2..1..0
%K nonn
%O 1,2
%A _R. H. Hardin_, Nov 23 2013
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