a(n) = product of the first n primes which are coprime to n.

A125903

a(n) = product of the first n primes which are coprime to n.

Terms

    a(0) =2a(1) =15a(2) =70a(3) =1155a(4) =6006a(5) =1616615a(6) =1385670a(7) =111546435a(8) =2156564410a(9) =742073813481a(10) =674612557710

External references