A112739 - cp's OEIS frontend

A112739 Array counting nodes in rooted trees of height n in which the root and internal nodes have valency k (and the leaf nodes have valency one).

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	3
8	2
9	1
10	1
11	4
12	5
13	2
14	1
15	1
16	5
17	10
18	7
19	2
20	1
21	1
22	6
23	17
24	22
25	9
26	2
27	1
28	1
29	7
30	26
31	53
32	46
33	11
34	2
35	1
36	1
37	8
38	37
39	106
40	161
41	94
42	13
43	2
44	1
45	1
46	9
47	50
48	187
49	426
50	485
51	190
52	15
53	2
54	1
55	1
56	10
57	65
58	302
59	937
60	1706
61	1457
62	382
63	17
64	2
65	1
66	1
67	11
68	82
69	457
70	1814
71	4687
72	6826
73	4373
74	766
75	19

[1, 1, 1, 1, 2, 1, 1, 3, 2, 1, 1, 4, 5, 2, 1, 1, 5, 10, 7, 2, 1, 1, 6, 17, 22, 9, 2, 1, 1, 7, 26, 53, 46, 11, 2, 1, 1, 8, 37, 106, 161, 94, 13, 2, 1, 1, 9, 50, 187, 426, 485, 190, 15, 2, 1, 1, 10, 65, 302, 937, 1706, 1457, 382, 17, 2, 1, 1, 11, 82, 457, 1814, 4687, 6826, 4373, 766, 19]

cp's OEIS Frontend

A112739 Array counting nodes in rooted trees of height n in which the root and internal nodes have valency k (and the leaf nodes have valency one).

Table of values

List of values