A054924 - cp's OEIS frontend

A054924 Triangle read by rows: T(n,k) = number of nonisomorphic unlabeled connected graphs with n nodes and k edges (n >= 1, 0 <= k <= n(n-1)/2).

n	a(n)
1	1
2	0
3	1
4	0
5	0
6	1
7	1
8	0
9	0
10	0
11	2
12	2
13	1
14	1
15	0
16	0
17	0
18	0
19	3
20	5
21	5
22	4
23	2
24	1
25	1
26	0
27	0
28	0
29	0
30	0
31	6
32	13
33	19
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	0
47	0
48	11
49	33
50	67
51	107
52	132
53	138
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	0
69	0
70	0
71	23
72	89
73	236
74	486
75	814
76	1169
77	1454
78	1579
79	1515
80	1290
81	970
82	658
83	400
84	220
85	114

[1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 2, 2, 1, 1, 0, 0, 0, 0, 3, 5, 5, 4, 2, 1, 1, 0, 0, 0, 0, 0, 6, 13, 19, 22, 20, 14, 9, 5, 2, 1, 1, 0, 0, 0, 0, 0, 0, 11, 33, 67, 107, 132, 138, 126, 95, 64, 40, 21, 10, 5, 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 23, 89, 236, 486, 814, 1169, 1454, 1579, 1515, 1290, 970, 658, 400, 220, 114]

cp's OEIS Frontend

A054924 Triangle read by rows: T(n,k) = number of nonisomorphic unlabeled connected graphs with n nodes and k edges (n >= 1, 0 <= k <= n(n-1)/2).

Table of values

List of values