352152domain: NAppears in sequencesNumber of 4-ary rooted trees with n nodes and height at most 4.at n=37A036609Number of 4-ary rooted trees with n nodes and height exactly 4.at n=37A036628Number of nonisomorphic graded posets with 0 and uniform Hasse diagram of rank n with no 3-element antichain.at n=9A206902