Largest prime factor of A137664(n) = (p + 1)^p - 1 for p = prime(n).

A137666

Largest prime factor of A137664(n) = (p + 1)^p - 1 for p = prime(n).

Terms

    a(0) =2a(1) =7a(2) =311a(3) =337a(4) =266981089a(5) =29914249171a(7) =192696104561

External references