57409536domain: NAppears in sequencesOrdered factorizations over hook-type prime signatures with exactly three distinct primes (third column of A098348).at n=17A098385Numbers k such that k = A074206(k), the number of ordered factorizations of k.at n=10A163272Number of 6-cycles in the n-Sierpinski tetrahedron graph.at n=10A292545