A318902 - cp's OEIS frontend

A318902 Number of n-node rooted trees in which six 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)
6	1
7	1
8	3
9	8
10	22
11	60
12	166
13	461
14	1291
15	3629
16	10246
17	29020
18	82448
19	234818
20	670288
21	1917054
22	5492422
23	15760308
24	45286760
25	130293687
26	375293797
27	1082109082
28	3123088057
29	9021467714
30	26080762653
31	75454838291
32	218451043430
33	632849337956
34	1834453919208
35	5320549626803

[1, 1, 3, 8, 22, 60, 166, 461, 1291, 3629, 10246, 29020, 82448, 234818, 670288, 1917054, 5492422, 15760308, 45286760, 130293687, 375293797, 1082109082, 3123088057, 9021467714, 26080762653, 75454838291, 218451043430, 632849337956, 1834453919208, 5320549626803]

cp's OEIS Frontend

A318902 Number of n-node rooted trees in which six 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