A210715 - cp's OEIS frontend

A210715 Number of disconnected regular simple graphs on n vertices with girth exactly 5.

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	1
11	1
12	1
13	1
14	1
15	2
16	2
17	3
18	3
19	4
20	6
21	6
22	9
23	9
24	22
25	13
26	82
27	18
28	618
29	26
30	7164
31	36
32	107862
33	50
34	1876730
35	70
36	35924810
37	95
38	741405213
39	131
40	16356067216
41	323
42	383931367731
43	132977

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 3, 3, 4, 6, 6, 9, 9, 22, 13, 82, 18, 618, 26, 7164, 36, 107862, 50, 1876730, 70, 35924810, 95, 741405213, 131, 16356067216, 323, 383931367731, 132977]

cp's OEIS Frontend

A210715 Number of disconnected regular simple graphs on n vertices with girth exactly 5.

Table of values

List of values