282319domain: NAppears in sequencesValues of A063177 on folding point positions of the spiral.at n=8A063255Number of locally disjoint ordered rooted trees with n nodes.at n=13A358460G.f. A(x) satisfies: A(x) = x + x^2 * exp( Sum_{k>=1} (-1)^(k+1) * A(x^k)^2 / (k*x^k) ).at n=15A363388