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%I #5 Jan 02 2015 10:20:38
%S 558,6804,85280,1066300,13347930,166986430,2089637292,26146542588,
%T 327171117860,4093826224868,51225496342820,640976478054436,
%U 8020442466701434,100358565951977392,1255771461301697900
%N Number of (n+1)X(2+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 Column 2 of A253482
%H R. H. Hardin, <a href="/A253478/b253478.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A253478/a253478.txt">Empirical recurrence of order 88</a>
%F Empirical recurrence of order 88 (see link above)
%e Some solutions for n=3
%e ..1..1..0....1..2..0....0..1..0....1..1..2....1..2..2....2..2..1....2..1..0
%e ..0..2..2....0..0..1....2..2..2....0..2..1....1..2..1....0..1..2....0..0..2
%e ..2..1..0....2..0..2....1..2..0....0..0..2....0..1..0....0..2..1....2..0..2
%e ..2..2..2....2..0..0....1..1..1....1..1..0....1..1..0....1..1..1....1..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 02 2015