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%I A199096 #5 Mar 31 2012 12:36:35
%S A199096 1,15,280,5295,101460,1999365,40210161,820951127,16962540224,
%T A199096 353916457700,7444303111792,157654572063308,3358267477535756,
%U A199096 71896125048485001,1545960357028561441,33370692254737883179
%N A199096 Number of nX3 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and every element equal to two or fewer horizontal or vertical neighbors
%C A199096 Column 3 of A199101
%H A199096 R. H. Hardin, <a href="/A199096/b199096.txt">Table of n, a(n) for n = 1..56</a>
%e A199096 Some solutions for n=4
%e A199096 ..0..1..0....0..1..1....0..1..2....0..1..2....0..1..0....0..1..0....0..1..1
%e A199096 ..2..0..2....2..0..2....2..2..0....1..0..2....2..1..0....1..0..1....1..0..0
%e A199096 ..1..0..1....1..2..2....1..0..2....2..0..2....2..0..1....2..2..1....2..2..2
%e A199096 ..2..2..1....1..0..0....1..0..1....1..0..1....2..2..1....2..2..0....2..0..1
%K A199096 nonn
%O A199096 1,2
%A A199096 _R. H. Hardin_ Nov 02 2011

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