A185305 - cp's OEIS frontend

A185305 Triangular array E(n,k) counting not necessarily connected k-regular simple graphs on n vertices with girth at least 5.

n	a(n)
1	1
2	1
3	1
4	1
5	0
6	1
7	1
8	1
9	0
10	1
11	1
12	1
13	1
14	1
15	0
16	1
17	1
18	1
19	1
20	1
21	0
22	1
23	1
24	1
25	2
26	1
27	1
28	0
29	2
30	0
31	1
32	1
33	3
34	2
35	1
36	0
37	3
38	0
39	1
40	1
41	4
42	9
43	1
44	0
45	5
46	0
47	1
48	1
49	6
50	49
51	1
52	0
53	7
54	0
55	1
56	1
57	9
58	455
59	1
60	0
61	10
62	0
63	1
64	1
65	1
66	13
67	5784
68	2
69	1
70	0
71	15
72	0
73	8
74	1
75	1
76	18
77	90940
78	131
79	1
80	0
81	21
82	0
83	3917
84	1
85	1
86	26
87	1620491
88	123859

[1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 2, 1, 1, 0, 2, 0, 1, 1, 3, 2, 1, 0, 3, 0, 1, 1, 4, 9, 1, 0, 5, 0, 1, 1, 6, 49, 1, 0, 7, 0, 1, 1, 9, 455, 1, 0, 10, 0, 1, 1, 1, 13, 5784, 2, 1, 0, 15, 0, 8, 1, 1, 18, 90940, 131, 1, 0, 21, 0, 3917, 1, 1, 26, 1620491, 123859]

cp's OEIS Frontend

A185305 Triangular array E(n,k) counting not necessarily connected k-regular simple graphs on n vertices with girth at least 5.

Table of values

List of values