%I #5 Mar 03 2013 03:36:24
%S 0,6,30,666,6524,103378,1250904,17976376,235892592,3296371800,
%T 44713314784,621198984864,8554092568512,118954438125472,
%U 1651089670102400,23021868920182656,321109217833684736,4490028930013194112
%N Number of nX2 0..3 arrays with exactly floor(nX2/2) elements equal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..3 order
%C Column 2 of A222722
%H R. H. Hardin, <a href="/A222718/b222718.txt">Table of n, a(n) for n = 1..209</a>
%e Some solutions for n=3
%e ..0..1....0..1....0..0....0..1....0..1....0..1....0..1....0..0....0..1....0..1
%e ..2..1....2..3....1..0....1..1....0..2....0..0....1..1....0..1....1..1....2..2
%e ..1..3....2..2....2..1....2..3....0..3....1..2....2..0....2..0....0..2....1..2
%K nonn
%O 1,2
%A _R. H. Hardin_ Mar 03 2013
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