A055277 - cp's OEIS frontend

A055277 Triangle T(n,k) of number of rooted trees with n nodes and k leaves, 1 <= k <= n.

n	a(n)
1	1
2	1
3	0
4	1
5	1
6	0
7	1
8	2
9	1
10	0
11	1
12	4
13	3
14	1
15	0
16	1
17	6
18	8
19	4
20	1
21	0
22	1
23	9
24	18
25	14
26	5
27	1
28	0
29	1
30	12
31	35
32	39
33	21
34	6
35	1
36	0
37	1
38	16
39	62
40	97
41	72
42	30
43	7
44	1
45	0
46	1
47	20
48	103
49	212
50	214
51	120
52	40
53	8
54	1
55	0
56	1
57	25
58	161
59	429
60	563
61	416
62	185
63	52
64	9
65	1
66	0
67	1
68	30
69	241
70	804
71	1344
72	1268
73	732
74	270
75	65
76	10
77	1
78	0

[1, 1, 0, 1, 1, 0, 1, 2, 1, 0, 1, 4, 3, 1, 0, 1, 6, 8, 4, 1, 0, 1, 9, 18, 14, 5, 1, 0, 1, 12, 35, 39, 21, 6, 1, 0, 1, 16, 62, 97, 72, 30, 7, 1, 0, 1, 20, 103, 212, 214, 120, 40, 8, 1, 0, 1, 25, 161, 429, 563, 416, 185, 52, 9, 1, 0, 1, 30, 241, 804, 1344, 1268, 732, 270, 65, 10, 1, 0]

cp's OEIS Frontend

A055277 Triangle T(n,k) of number of rooted trees with n nodes and k leaves, 1 <= k <= n.

Table of values

List of values