73042
domain: N
Appears in sequences
- a(n) is the number of unlabeled forests of rooted trees with n nodes such that no two trees are identical.at n=14A052827
- a(n) is the end square spiral number for a knight starting on square n moving on a board with squares numbered with the square of their distance from the 0-square origin and where the knight moves to the smallest numbered unvisited square; the smallest spiral number ordering is used if the distances are equal.at n=35A326931