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%I #3 Mar 30 2012 18:59:06
%S 1,1,2,2,2,2,3,3,4,3,4,4,5,5,5,5,7,7,7,7,9,8,9,8,11,9,10,9,11,10,10,
%T 10,13,12,13,12,17,14,14,14,18,16,16,17,20,17,16,16,21,18,17,17,23,20,
%U 20,18,24,22,23,21,26,23,23,22,27,24,24,24,30,25,26,24,34,27,28,26,33,28
%N Diagonal sums of a Moebius-binomial triangle.
%C Diagonal sums of A105586.
%F a(n)=sum{k=0..floor(n/2), binomial(abs(mu(n-k)), abs(mu(k))}
%K easy,nonn
%O 0,3
%A _Paul Barry_, Apr 14 2005
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