A369932 - cp's OEIS frontend

A369932 Triangle read by rows: T(n,k) is the number of unlabeled simple graphs with n edges and k vertices and without endpoints or isolated vertices.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	0
10	1
11	0
12	0
13	0
14	1
15	1
16	0
17	0
18	0
19	1
20	3
21	2
22	0
23	0
24	0
25	0
26	3
27	5
28	2
29	0
30	0
31	0
32	0
33	2
34	11
35	9
36	3
37	0
38	0
39	0
40	0
41	1
42	15
43	32
44	16
45	4
46	0
47	0
48	0
49	0
50	1
51	12
52	63
53	76
54	25
55	5
56	0
57	0
58	0
59	0
60	0
61	8
62	89
63	234
64	162
65	39
66	6
67	0
68	0
69	0
70	0
71	0
72	5
73	97
74	515
75	730
76	332
77	60
78	9

[0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 3, 2, 0, 0, 0, 0, 3, 5, 2, 0, 0, 0, 0, 2, 11, 9, 3, 0, 0, 0, 0, 1, 15, 32, 16, 4, 0, 0, 0, 0, 1, 12, 63, 76, 25, 5, 0, 0, 0, 0, 0, 8, 89, 234, 162, 39, 6, 0, 0, 0, 0, 0, 5, 97, 515, 730, 332, 60, 9]

cp's OEIS Frontend

A369932 Triangle read by rows: T(n,k) is the number of unlabeled simple graphs with n edges and k vertices and without endpoints or isolated vertices.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	0
10	1
11	0
12	0
13	0
14	1
15	1
16	0
17	0
18	0
19	1
20	3
21	2
22	0
23	0
24	0
25	0
26	3
27	5
28	2
29	0
30	0
31	0
32	0
33	2
34	11
35	9
36	3
37	0
38	0
39	0
40	0
41	1
42	15
43	32
44	16
45	4
46	0
47	0
48	0
49	0
50	1
51	12
52	63
53	76
54	25
55	5
56	0
57	0
58	0
59	0
60	0
61	8
62	89
63	234
64	162
65	39
66	6
67	0
68	0
69	0
70	0
71	0
72	5
73	97
74	515
75	730
76	332
77	60
78	9

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	0
10	1
11	0
12	0
13	0
14	1
15	1
16	0
17	0
18	0
19	1
20	3
21	2
22	0
23	0
24	0
25	0
26	3
27	5
28	2
29	0
30	0
31	0
32	0
33	2
34	11
35	9
36	3
37	0
38	0
39	0
40	0
41	1
42	15
43	32
44	16
45	4
46	0
47	0
48	0
49	0
50	1
51	12
52	63
53	76
54	25
55	5
56	0
57	0
58	0
59	0
60	0
61	8
62	89
63	234
64	162
65	39
66	6
67	0
68	0
69	0
70	0
71	0
72	5
73	97
74	515
75	730
76	332
77	60
78	9

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	0
10	1
11	0
12	0
13	0
14	1
15	1
16	0
17	0
18	0
19	1
20	3
21	2
22	0
23	0
24	0
25	0
26	3
27	5
28	2
29	0
30	0
31	0
32	0
33	2
34	11
35	9
36	3
37	0
38	0
39	0
40	0
41	1
42	15
43	32
44	16
45	4
46	0
47	0
48	0
49	0
50	1
51	12
52	63
53	76
54	25
55	5
56	0
57	0
58	0
59	0
60	0
61	8
62	89
63	234
64	162
65	39
66	6
67	0
68	0
69	0
70	0
71	0
72	5
73	97
74	515
75	730
76	332
77	60
78	9