Denominators of the partial alternating sums of the reciprocals of the powerfree part function (A055231).

A379582

Denominators of the partial alternating sums of the reciprocals of the powerfree part function (A055231).

Terms

    a(0) =1a(1) =2a(2) =6a(3) =6a(4) =30a(5) =15a(6) =105a(7) =105a(8) =105a(9) =210a(10) =2310a(11) =2310a(12) =30030a(13) =15015a(14) =1001a(15) =1001a(16) =17017a(17) =34034a(18) =646646a(19) =3233230a(20) =9699690a(21) =4849845a(22) =111546435a(23) =37182145a(24) =37182145a(25) =74364290a(26) =74364290a(27) =74364290a(28) =2156564410a(29) =3234846615

External references