48287domain: NAppears in sequencesNumber of sequences of rooted identity trees with a total of n nodes.at n=14A052806Fibonacci sequence beginning 29, 31.at n=16A157681a(n) = a(n-1) + a(n-2), for n>=2, with a(0)=27, a(1)=2.at n=18A190994Row sums of triangle A387098.at n=8A389306