A185215 - cp's OEIS frontend

A185215 Number of disconnected regular simple graphs on n vertices with girth at least 5.

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	1
6	2
7	1
8	2
9	1
10	3
11	2
12	4
13	3
14	5
15	5
16	7
17	7
18	10
19	10
20	15
21	15
22	21
23	21
24	39
25	30
26	104
27	42
28	649
29	58
30	7206
31	80
32	107922
33	110
34	1876839
35	150
36	35925339
37	202
38	741413459
39	274
40	16356258638
41	511
42	383936223872
43	133225

[0, 0, 1, 1, 2, 1, 2, 1, 2, 1, 3, 2, 4, 3, 5, 5, 7, 7, 10, 10, 15, 15, 21, 21, 39, 30, 104, 42, 649, 58, 7206, 80, 107922, 110, 1876839, 150, 35925339, 202, 741413459, 274, 16356258638, 511, 383936223872, 133225]

cp's OEIS Frontend

A185215 Number of disconnected regular simple graphs on n vertices with girth at least 5.

Table of values

List of values