Smallest prime of the form (q^p-1)/(q-1), where p = prime(n) and q is also prime (q = A123487(n)).

A123488

Smallest prime of the form (q^p-1)/(q-1), where p = prime(n) and q is also prime (q = A123487(n)).

Terms

    a(0) =3a(1) =7a(2) =31a(3) =127a(4) =12207031a(5) =8191a(6) =131071a(7) =524287

External references