Numerator of Sum_{k=1..n} mu(k)/k.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =-1a(5) =2a(6) =-1a(7) =-1a(8) =-1a(9) =19a(10) =-1a(11) =-1a(12) =-2323a(13) =-89a(14) =304a(15) =304a(16) =163a(17) =163a(18) =-81988a(19) =-81988a(20) =-15019a(21) =410857a(22) =-249979a(23) =-249979a(24) =-249979a(25) =4165258a(26) =4165258a(27) =4165258a(28) =9246047a(29) =-65721449