226980domain: NAppears in sequencesNumber of n-node rooted trees of height at most 9.at n=16A034826Period of the Lucas 4-step sequence A073817 mod prime(n).at n=17A106296Order of Fibonacci group F(n,3) (or 0 if the group is infinite).at n=60A202625Numbers k such that A254926(k) = A254926(k+1).at n=13A349309