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| [mcode]In[1]:= Table[ Limit[Zeta[s] Total[1/Divisors[n]^(s - 1)*MoebiusMu[Divisors[n]]], s -> 1], {n, 1, 32}] Out[1]= {\[Infinity], Log[2], Log[3], Log[2], Log[5], 0, Log[7], Log[2], Log[3], 0, Log[11], 0, Log[13], 0, 0, Log[2], Log[17], 0, ... |