70112domain: NAppears in sequencesNumber of binary rooted trees with n nodes and height at most 9.at n=18A036592Sum of primes between n and n^2.at n=30A109818a(n) = A000203(n) * A024916(n).at n=38A143238Number of unlabeled rooted trees with n nodes such that the minimal outdegree of inner nodes equals 9.at n=55A244463