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%I #5 Mar 31 2012 12:36:57
%S 2,20,126,728,4374,25788,149794,866692,4989242,28600208,163479486,
%T 932166044,5304572502,30137247224,170986774826,968989758580,
%U 5485913976922,31032085382272,175409808771550,990873450379996
%N Number of nX3 0,1 arrays with adjacent row and column sums unequal
%C Column 3 of A203610
%H R. H. Hardin, <a href="/A203605/b203605.txt">Table of n, a(n) for n = 1..59</a>
%e Some solutions for 4X4
%e ..1..0..0....0..0..0....1..0..1....1..1..1....1..1..1....0..0..0....1..0..0
%e ..0..1..1....0..0..1....1..1..1....0..1..1....0..0..1....1..1..0....0..0..0
%e ..1..1..1....1..0..1....0..1..0....1..1..1....1..0..1....0..0..1....0..1..0
%e ..0..1..0....1..0..0....1..0..1....1..1..0....1..0..0....1..0..1....0..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 03 2012
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