3519879677domain: NAppears in sequencesa(n) gives least prime for which the n-th prime is the least prime which is not a primitive root of a(n) (see A060084), or 0 if the n-th prime never occurs in A060084.at n=25A060085a(n) is the least prime p = prime(k) > prime(n) such that A306530(k) = prime(n).at n=25A307965