Denominator of Sum_{k=1..n} mu(k)/k when it changes sign.
A070891
Denominator of Sum_{k=1..n} mu(k)/k when it changes sign.
Terms
- a(0) =30a(1) =15a(2) =105a(3) =210a(4) =2310a(5) =5005a(6) =1616615a(7) =9699690a(8) =223092870a(9) =111546435a(10) =2156564410a(11) =100280245065
External references
- oeis: A070891