A055302 - cp's OEIS frontend

A055302 Triangle of number of labeled rooted trees with n nodes and k leaves, n >= 1, 1 <= k <= n.

n	a(n)
1	1
2	2
3	0
4	6
5	3
6	0
7	24
8	36
9	4
10	0
11	120
12	360
13	140
14	5
15	0
16	720
17	3600
18	3000
19	450
20	6
21	0
22	5040
23	37800
24	54600
25	18900
26	1302
27	7
28	0
29	40320
30	423360
31	940800
32	588000
33	101136
34	3528
35	8
36	0
37	362880
38	5080320
39	16087680
40	15876000
41	5143824
42	486864
43	9144
44	9
45	0
46	3628800

[1, 2, 0, 6, 3, 0, 24, 36, 4, 0, 120, 360, 140, 5, 0, 720, 3600, 3000, 450, 6, 0, 5040, 37800, 54600, 18900, 1302, 7, 0, 40320, 423360, 940800, 588000, 101136, 3528, 8, 0, 362880, 5080320, 16087680, 15876000, 5143824, 486864, 9144, 9, 0, 3628800]

cp's OEIS Frontend

A055302 Triangle of number of labeled rooted trees with n nodes and k leaves, n >= 1, 1 <= k <= n.

Table of values

List of values