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%I #5 Aug 11 2014 22:45:56
%S 5874,180972,5601514,176523392,5575336614,176443282254,5586328225626,
%T 176913068237196,5603035961686288,177460847788244822,
%U 5620646148479558100,178021391899030038958,5638438079563147913958,178585324902769571980418
%N Number of (n+1)X(4+1) 0..2 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 4
%C Column 4 of A233949
%H R. H. Hardin, <a href="/A233945/b233945.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A233945/a233945.txt">Empirical recurrence of order 70</a>
%F Empirical recurrence of order 70 (see link above)
%e Some solutions for n=2
%e ..0..1..2..2..2....2..0..2..0..0....0..2..0..2..0....1..2..2..2..2
%e ..1..0..1..0..2....1..0..2..0..2....0..2..1..2..0....0..2..0..0..0
%e ..0..1..0..1..1....1..2..2..0..1....0..2..0..2..1....1..1..1..2..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 18 2013
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