A292085 - cp's OEIS frontend

A292085 Number A(n,k) of (unlabeled) rooted trees with n leaf nodes and without unary nodes or outdegrees larger than k; square array A(n,k), n>=0, k>=0, read by antidiagonals.

n	a(n)
1	1
2	1
3	0
4	1
5	1
6	0
7	1
8	1
9	1
10	0
11	1
12	1
13	2
14	2
15	0
16	1
17	1
18	2
19	4
20	3
21	0
22	1
23	1
24	2
25	5
26	9
27	6
28	0
29	1
30	1
31	2
32	5
33	11
34	23
35	11
36	0
37	1
38	1
39	2
40	5
41	12
42	30
43	58
44	23
45	0
46	1
47	1
48	2
49	5
50	12
51	32
52	80
53	156
54	46
55	0
56	1
57	1
58	2
59	5
60	12
61	33
62	87
63	228
64	426
65	98
66	0
67	1
68	1
69	2
70	5
71	12
72	33
73	89
74	251
75	656
76	1194
77	207
78	0

[1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 2, 2, 0, 1, 1, 2, 4, 3, 0, 1, 1, 2, 5, 9, 6, 0, 1, 1, 2, 5, 11, 23, 11, 0, 1, 1, 2, 5, 12, 30, 58, 23, 0, 1, 1, 2, 5, 12, 32, 80, 156, 46, 0, 1, 1, 2, 5, 12, 33, 87, 228, 426, 98, 0, 1, 1, 2, 5, 12, 33, 89, 251, 656, 1194, 207, 0]

cp's OEIS Frontend

A292085 Number A(n,k) of (unlabeled) rooted trees with n leaf nodes and without unary nodes or outdegrees larger than k; square array A(n,k), n>=0, k>=0, read by antidiagonals.

Table of values

List of values