A292086 - cp's OEIS frontend

A292086 Number T(n,k) of (unlabeled) rooted trees with n leaf nodes and without unary nodes such that k is the maximum of 1 and the node outdegrees; triangle T(n,k), n>=1, 1<=k<=n, read by rows.

n	a(n)
1	1
2	0
3	1
4	0
5	1
6	1
7	0
8	2
9	2
10	1
11	0
12	3
13	6
14	2
15	1
16	0
17	6
18	17
19	7
20	2
21	1
22	0
23	11
24	47
25	22
26	7
27	2
28	1
29	0
30	23
31	133
32	72
33	23
34	7
35	2
36	1
37	0
38	46
39	380
40	230
41	77
42	23
43	7
44	2
45	1
46	0
47	98
48	1096
49	751
50	256
51	78
52	23
53	7
54	2
55	1
56	0
57	207
58	3186
59	2442
60	861
61	261
62	78
63	23
64	7
65	2
66	1
67	0
68	451
69	9351
70	8006
71	2897
72	887
73	262
74	78
75	23
76	7
77	2
78	1

[1, 0, 1, 0, 1, 1, 0, 2, 2, 1, 0, 3, 6, 2, 1, 0, 6, 17, 7, 2, 1, 0, 11, 47, 22, 7, 2, 1, 0, 23, 133, 72, 23, 7, 2, 1, 0, 46, 380, 230, 77, 23, 7, 2, 1, 0, 98, 1096, 751, 256, 78, 23, 7, 2, 1, 0, 207, 3186, 2442, 861, 261, 78, 23, 7, 2, 1, 0, 451, 9351, 8006, 2897, 887, 262, 78, 23, 7, 2, 1]

cp's OEIS Frontend

A292086 Number T(n,k) of (unlabeled) rooted trees with n leaf nodes and without unary nodes such that k is the maximum of 1 and the node outdegrees; triangle T(n,k), n>=1, 1<=k<=n, read by rows.

Table of values

List of values