A318904 - cp's OEIS frontend

A318904 Number of n-node rooted trees in which eight equals the maximal number of nodes in paths starting at a leaf and ending at the first branching node or at the root.

n	a(n)
8	1
9	1
10	3
11	8
12	22
13	60
14	167
15	465
16	1305
17	3677
18	10407
19	29545
20	84137
21	240180
22	687169
23	1969805
24	5656352
25	16267296
26	46848655
27	135089324
28	389976522
29	1126951399
30	3259744738
31	9437132452
32	27342937037
33	79281644947
34	230037790501
35	667888276997
36	1940294941620
37	5639933760363

[1, 1, 3, 8, 22, 60, 167, 465, 1305, 3677, 10407, 29545, 84137, 240180, 687169, 1969805, 5656352, 16267296, 46848655, 135089324, 389976522, 1126951399, 3259744738, 9437132452, 27342937037, 79281644947, 230037790501, 667888276997, 1940294941620, 5639933760363]

cp's OEIS Frontend

A318904 Number of n-node rooted trees in which eight equals the maximal number of nodes in paths starting at a leaf and ending at the first branching node or at the root.

Table of values

List of values