634465620819domain: NAppears in sequencesa(n) = n^3 * 3^n.at n=17A062074Numbers of the form p^q * q^p, with distinct primes p and q.at n=14A082949Numbers of the form 3^p * p^3 for p prime.at n=6A097205Numbers whose prime factors are raised to the powers of each other.at n=16A113855Odd bisection of A374431.at n=25A374430