A370167 - cp's OEIS frontend

A370167 Irregular triangle read by rows where T(n,k) is the number of unlabeled simple graphs covering n vertices with k = 0..binomial(n,2) edges.

n	a(n)
0	1
1	0
2	0
3	1
4	0
5	0
6	1
7	1
8	0
9	0
10	1
11	2
12	2
13	1
14	1
15	0
16	0
17	0
18	1
19	4
20	5
21	5
22	4
23	2
24	1
25	1
26	0
27	0
28	0
29	1
30	3
31	9
32	15
33	20
34	22
35	20
36	14
37	9
38	5
39	2
40	1
41	1
42	0
43	0
44	0
45	0
46	1
47	6
48	20
49	41
50	73
51	110
52	133
53	139
54	126
55	95
56	64
57	40
58	21
59	10
60	5
61	2
62	1
63	1
64	0
65	0
66	0
67	0
68	1
69	3
70	15
71	50
72	124
73	271
74	515
75	832
76	1181
77	1460
78	1581
79	1516
80	1291
81	970
82	658
83	400
84	220
85	114
86	56
87	24
88	11
89	5
90	2
91	1
92	1

[1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 2, 2, 1, 1, 0, 0, 0, 1, 4, 5, 5, 4, 2, 1, 1, 0, 0, 0, 1, 3, 9, 15, 20, 22, 20, 14, 9, 5, 2, 1, 1, 0, 0, 0, 0, 1, 6, 20, 41, 73, 110, 133, 139, 126, 95, 64, 40, 21, 10, 5, 2, 1, 1, 0, 0, 0, 0, 1, 3, 15, 50, 124, 271, 515, 832, 1181, 1460, 1581, 1516, 1291, 970, 658, 400, 220, 114, 56, 24, 11, 5, 2, 1, 1]

cp's OEIS Frontend

A370167 Irregular triangle read by rows where T(n,k) is the number of unlabeled simple graphs covering n vertices with k = 0..binomial(n,2) edges.

Table of values

List of values