440704domain: NAppears in sequencesNumber of factorizations of m^n into exactly six factors, where m is a product of two distinct primes.at n=15A277242Array read by antidiagonals: T(n,k) is the number of Hamiltonian rooted triangulations with n internal nodes and k + 3 external nodes, n >= 0, k >= 0.at n=39A391153