44920domain: NAppears in sequencesNumber of trees with n nodes and 5 leaves.at n=22A055292Prime(a(n)) + ... + prime(a(n)+3) is a square = A051395(n)^2.at n=34A0728491000-gonal numbers: a(n) = n*(499*n - 498).at n=10A195163Euler transform of A373217.at n=39A373298