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%I #2 Mar 30 2012 18:59:06
%S 1,2,1,4,4,0,4,-2,2,0,0,2,2,4,2,-2,-4,10,0,4,0,2,-2,6,-2,6,2,6,0,8,-2,
%T 4,4,6,-2,6,-8,8,10,4,-2,6,-4,4,4,10,4,-2,-4,2,0,12,2,6,-4,2,2,12,6,0,
%U -8,-8,14,10,2,10,-10,8,10,8,-2,0,-2,-8,8,12,2,6,-10,2,10,10,10,-12,-8,6,0,8,8,2,-12,-2,2,16,10,0,-2,0,16,12,6
%N Row sums of A105567, as a number triangle.
%F a(n)=sum{k=0..n, -mu(k(n-k))}
%K easy,sign
%O 0,2
%A _Paul Barry_, Apr 14 2005
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