A318602 - cp's OEIS frontend

A318602 Triangle read by rows: T(n,k) is the number of rooted hypertrees on n unlabeled nodes with k edges, (0 <= k < n).

n	a(n)
1	1
2	0
3	1
4	0
5	1
6	2
7	0
8	1
9	3
10	4
11	0
12	1
13	5
14	10
15	9
16	0
17	1
18	6
19	20
20	30
21	20
22	0
23	1
24	8
25	33
26	77
27	91
28	48
29	0
30	1
31	9
32	49
33	152
34	277
35	268
36	115
37	0
38	1
39	11
40	68
41	269
42	655
43	969
44	790
45	286
46	0
47	1
48	12
49	91
50	428
51	1330
52	2651
53	3294
54	2308
55	719
56	0
57	1
58	14
59	116
60	647
61	2420
62	6137
63	10300
64	10993
65	6737
66	1842

[1, 0, 1, 0, 1, 2, 0, 1, 3, 4, 0, 1, 5, 10, 9, 0, 1, 6, 20, 30, 20, 0, 1, 8, 33, 77, 91, 48, 0, 1, 9, 49, 152, 277, 268, 115, 0, 1, 11, 68, 269, 655, 969, 790, 286, 0, 1, 12, 91, 428, 1330, 2651, 3294, 2308, 719, 0, 1, 14, 116, 647, 2420, 6137, 10300, 10993, 6737, 1842]

cp's OEIS Frontend

A318602 Triangle read by rows: T(n,k) is the number of rooted hypertrees on n unlabeled nodes with k edges, (0 <= k < n).

Table of values

List of values