Numbers n such that d(n)*pi(n)=n, where d(n) is the number of positive divisors of n.

A104904

Numbers n such that d(n)*pi(n)=n, where d(n) is the number of positive divisors of n.

Terms

    a(0) =2a(1) =8408a(2) =481044a(3) =189961452a(4) =75370122528a(5) =75370124832

External references