A068934 - cp's OEIS frontend

A068934 Triangular array C(n, r) = number of connected r-regular graphs with n nodes, 0 <= r < n.

n	a(n)
1	1
2	0
3	1
4	0
5	0
6	1
7	0
8	0
9	1
10	1
11	0
12	0
13	1
14	0
15	1
16	0
17	0
18	1
19	2
20	1
21	1
22	0
23	0
24	1
25	0
26	2
27	0
28	1
29	0
30	0
31	1
32	5
33	6
34	3
35	1
36	1
37	0
38	0
39	1
40	0
41	16
42	0
43	4
44	0
45	1
46	0
47	0
48	1
49	19
50	59
51	60
52	21
53	5
54	1
55	1
56	0
57	0
58	1
59	0
60	265
61	0
62	266
63	0
64	6
65	0
66	1
67	0
68	0
69	1
70	85
71	1544
72	7848
73	7849
74	1547
75	94
76	9
77	1
78	1
79	0
80	0
81	1
82	0
83	10778
84	0
85	367860
86	0

[1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 2, 1, 1, 0, 0, 1, 0, 2, 0, 1, 0, 0, 1, 5, 6, 3, 1, 1, 0, 0, 1, 0, 16, 0, 4, 0, 1, 0, 0, 1, 19, 59, 60, 21, 5, 1, 1, 0, 0, 1, 0, 265, 0, 266, 0, 6, 0, 1, 0, 0, 1, 85, 1544, 7848, 7849, 1547, 94, 9, 1, 1, 0, 0, 1, 0, 10778, 0, 367860, 0]

cp's OEIS Frontend

A068934 Triangular array C(n, r) = number of connected r-regular graphs with n nodes, 0 <= r < n.

Table of values

List of values