a(n) = smallest prime q where exactly n primes p exist such that p < q and q^(p-1) == 1 (mod p^2), i.e., smallest prime base q having exactly n Wieferich primes less than q.
A252232
a(n) = smallest prime q where exactly n primes p exist such that p < q and q^(p-1) == 1 (mod p^2), i.e., smallest prime base q having exactly n Wieferich primes less than q.
Terms
- a(0) =5a(1) =17a(2) =19a(3) =233a(4) =293a(5) =977a(6) =1451a(7) =1693a(8) =33301a(9) =308093
External references
- oeis: A252232