Denominators of partial sums of reciprocals of A051451 (A051451 includes lcm(1,...,x), x=power of prime from A000961 and also contains 1).

A064889

Denominators of partial sums of reciprocals of A051451 (A051451 includes lcm(1,...,x), x=power of prime from A000961 and also contains 1).

Terms

    a(0) =1a(1) =2a(2) =3a(3) =4a(4) =30a(5) =420a(6) =840a(7) =1260a(8) =9240a(9) =9009a(10) =240240a(11) =471240a(12) =232792560a(13) =535422888a(14) =26771144400a(15) =181704600a(16) =4822131600

External references