%I #4 Jan 02 2015 10:25:39
%S 3888,85280,1962374,44878810,1028601406,23553719782,539599344188,
%T 12359428902608,283115374994698,6485039906571714,148548569346340394,
%U 3402684107566122626,77942770831566300150,1785375804378076728772
%N Number of (3+1)X(n+1) 0..2 arrays with every 2X2 subblock ne-sw antidiagonal difference unequal to its neighbors horizontally and nw+se diagonal sum unequal to its neighbors vertically
%C Row 3 of A253482
%H R. H. Hardin, <a href="/A253484/b253484.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=2
%e ..1..0..0....1..2..2....2..1..1....2..2..2....2..2..1....0..1..2....2..2..2
%e ..1..0..2....1..0..1....2..0..0....1..2..1....0..0..1....0..0..1....0..2..0
%e ..0..1..1....0..2..1....0..2..2....0..2..2....1..1..2....1..1..0....0..0..1
%e ..0..1..2....0..0..1....1..0..2....1..0..1....0..2..0....2..2..2....0..2..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 02 2015
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