A327371 - cp's OEIS frontend

A327371 Triangle read by rows where T(n,k) is the number of unlabeled simple graphs with n vertices and exactly k endpoints (vertices of degree 1).

n	a(n)
0	1
1	1
2	0
3	1
4	0
5	1
6	2
7	0
8	2
9	0
10	5
11	1
12	3
13	1
14	1
15	16
16	6
17	7
18	2
19	3
20	0
21	78
22	35
23	25
24	8
25	7
26	2
27	1
28	588
29	260
30	126
31	40
32	20
33	6
34	4
35	0
36	8047
37	2934
38	968
39	263
40	92
41	25
42	13
43	3
44	1
45	205914
46	53768
47	11752
48	2434
49	596
50	140
51	47
52	12
53	5
54	0
55	10014882
56	1707627
57	240615
58	34756
59	5864
60	1084
61	256
62	58
63	21
64	4
65	1

[1, 1, 0, 1, 0, 1, 2, 0, 2, 0, 5, 1, 3, 1, 1, 16, 6, 7, 2, 3, 0, 78, 35, 25, 8, 7, 2, 1, 588, 260, 126, 40, 20, 6, 4, 0, 8047, 2934, 968, 263, 92, 25, 13, 3, 1, 205914, 53768, 11752, 2434, 596, 140, 47, 12, 5, 0, 10014882, 1707627, 240615, 34756, 5864, 1084, 256, 58, 21, 4, 1]

cp's OEIS Frontend

A327371 Triangle read by rows where T(n,k) is the number of unlabeled simple graphs with n vertices and exactly k endpoints (vertices of degree 1).

Table of values

List of values