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%I #6 Mar 31 2012 12:36:09
%S 192960,9136352,433713824,20581985952,976666568320,46345923682624,
%T 2199263749025344,104362111586399568,4952316502117068152,
%U 235003286495369796248,11151658949655222403240,529181949354720821420856
%N Number of (n+2)X3 0..3 arrays with no 2X2 subblock sum equal to any diagonal or antidiagonal neighbor 2X2 subblock sum
%C Column 1 of A187676
%H R. H. Hardin, <a href="/A187674/b187674.txt">Table of n, a(n) for n = 1..136</a>
%e Some solutions for 4X3
%e ..0..0..2....0..2..0....0..0..0....0..0..0....2..2..2....2..2..0....2..2..0
%e ..0..2..2....2..2..2....2..0..0....0..0..2....2..0..0....0..2..0....2..2..2
%e ..0..3..2....2..2..3....2..2..2....3..1..0....3..1..2....0..3..2....2..3..2
%e ..2..2..3....2..0..0....0..3..3....2..1..1....3..1..3....2..1..0....1..0..2
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 12 2011
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