Number of n-node rooted trees in which ten equals the maximal number of nodes in paths starting at a leaf and ending at the first branching node or at the root.
A318906
Number of n-node rooted trees in which ten equals the maximal number of nodes in paths starting at a leaf and ending at the first branching node or at the root.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =8a(4) =22a(5) =60a(6) =167a(7) =465a(8) =1306a(9) =3681a(10) =10421a(11) =29593a(12) =84298a(13) =240705a(14) =688859a(15) =1975176a(16) =5673279a(17) =16320250a(18) =47013406a(19) =135599456a(20) =391550002a(21) =1131788538a(22) =3274572887a(23) =9482475518a(24) =27481293566a(25) =79703012121a(26) =231318904534a(27) =671777453618
External references
- oeis: A318906