A185319 - cp's OEIS frontend

A185319 Number of, not necessarily connected, regular simple graphs on n vertices with girth at least 9.

n	a(n)
0	1
1	1
2	2
3	1
4	2
5	1
6	2
7	1
8	2
9	2
10	3
11	2
12	3
13	2
14	3
15	2
16	3
17	2
18	4
19	3
20	5
21	4
22	6
23	5
24	7
25	6
26	8
27	8
28	10
29	10
30	13
31	13
32	16
33	17
34	20
35	21
36	26
37	27
38	32
39	35
40	41
41	44
42	52
43	56
44	65
45	72
46	82
47	90
48	104
49	114
50	130
51	144
52	163
53	180
54	205
55	226
56	255
57	283
58	336

[1, 1, 2, 1, 2, 1, 2, 1, 2, 2, 3, 2, 3, 2, 3, 2, 3, 2, 4, 3, 5, 4, 6, 5, 7, 6, 8, 8, 10, 10, 13, 13, 16, 17, 20, 21, 26, 27, 32, 35, 41, 44, 52, 56, 65, 72, 82, 90, 104, 114, 130, 144, 163, 180, 205, 226, 255, 283, 336]

cp's OEIS Frontend

A185319 Number of, not necessarily connected, regular simple graphs on n vertices with girth at least 9.

Table of values

List of values

n	a(n)
0	1
1	1
2	2
3	1
4	2
5	1
6	2
7	1
8	2
9	2
10	3
11	2
12	3
13	2
14	3
15	2
16	3
17	2
18	4
19	3
20	5
21	4
22	6
23	5
24	7
25	6
26	8
27	8
28	10
29	10
30	13
31	13
32	16
33	17
34	20
35	21
36	26
37	27
38	32
39	35
40	41
41	44
42	52
43	56
44	65
45	72
46	82
47	90
48	104
49	114
50	130
51	144
52	163
53	180
54	205
55	226
56	255
57	283
58	336

n	a(n)
0	1
1	1
2	2
3	1
4	2
5	1
6	2
7	1
8	2
9	2
10	3
11	2
12	3
13	2
14	3
15	2
16	3
17	2
18	4
19	3
20	5
21	4
22	6
23	5
24	7
25	6
26	8
27	8
28	10
29	10
30	13
31	13
32	16
33	17
34	20
35	21
36	26
37	27
38	32
39	35
40	41
41	44
42	52
43	56
44	65
45	72
46	82
47	90
48	104
49	114
50	130
51	144
52	163
53	180
54	205
55	226
56	255
57	283
58	336

n	a(n)
0	1
1	1
2	2
3	1
4	2
5	1
6	2
7	1
8	2
9	2
10	3
11	2
12	3
13	2
14	3
15	2
16	3
17	2
18	4
19	3
20	5
21	4
22	6
23	5
24	7
25	6
26	8
27	8
28	10
29	10
30	13
31	13
32	16
33	17
34	20
35	21
36	26
37	27
38	32
39	35
40	41
41	44
42	52
43	56
44	65
45	72
46	82
47	90
48	104
49	114
50	130
51	144
52	163
53	180
54	205
55	226
56	255
57	283
58	336