85699
domain: N
Appears in sequences
- Numbers whose Matula tree is a binary tree (i.e., root has degree 2 and all nodes except root and leaves have degree 3).at n=23A111299
- a(n) = 1250*n^2 - 1800*n + 649.at n=9A154358
- Triangle read by rows: row n>=1 contains in increasing order the Matula numbers of the rooted binary trees with n leaves.at n=26A245824
- Matula-Goebel numbers of unlabeled binary rooted semi-identity trees.at n=14A339193
- Matula-Goebel number of the rooted binary tree with Colijn-Plazzotta number n.at n=18A356121