Maximum of the greatest prime factors of (i^prime(n)-1)/(i-1), when i runs through all integers in [2, prime(n)].

A247230

Maximum of the greatest prime factors of (i^prime(n)-1)/(i-1), when i runs through all integers in [2, prime(n)].

Terms

    a(0) =3a(1) =13a(2) =71a(3) =55987a(4) =12207031a(5) =16148168401

External references