1305751357domain: NAppears in sequencesa(n) = (A046717(n))^3.at n=6A119633Numbers n > 1 where all prime factors are Wieferich primes, i.e., terms of A001220.at n=5A270833Prime powers p^e with odd exponent e such that rho(p^(e+1)) is prime, where rho is A206369.at n=32A297868