A105820 - cp's OEIS frontend

A105820 Triangle giving the numbers of different forests of m trees of smallest order 2, i.e., without isolated vertices.

n	a(n)
1	0
2	1
3	0
4	1
5	0
6	0
7	2
8	1
9	0
10	0
11	3
12	1
13	0
14	0
15	0
16	6
17	3
18	1
19	0
20	0
21	0
22	11
23	5
24	1
25	0
26	0
27	0
28	0
29	23
30	12
31	3
32	1
33	0
34	0
35	0
36	0
37	47
38	23
39	6
40	1
41	0
42	0
43	0
44	0
45	0
46	106
47	52
48	14
49	3
50	1
51	0
52	0
53	0
54	0
55	0
56	235
57	110
58	29
59	6
60	1
61	0
62	0
63	0
64	0
65	0
66	0
67	551
68	253
69	68
70	15
71	3
72	1
73	0
74	0
75	0
76	0
77	0
78	0
79	1301
80	570
81	148
82	31
83	6
84	1
85	0
86	0
87	0
88	0
89	0
90	0
91	0

[0, 1, 0, 1, 0, 0, 2, 1, 0, 0, 3, 1, 0, 0, 0, 6, 3, 1, 0, 0, 0, 11, 5, 1, 0, 0, 0, 0, 23, 12, 3, 1, 0, 0, 0, 0, 47, 23, 6, 1, 0, 0, 0, 0, 0, 106, 52, 14, 3, 1, 0, 0, 0, 0, 0, 235, 110, 29, 6, 1, 0, 0, 0, 0, 0, 0, 551, 253, 68, 15, 3, 1, 0, 0, 0, 0, 0, 0, 1301, 570, 148, 31, 6, 1, 0, 0, 0, 0, 0, 0, 0]

cp's OEIS Frontend

A105820 Triangle giving the numbers of different forests of m trees of smallest order 2, i.e., without isolated vertices.

Table of values

List of values