A184941 - cp's OEIS frontend

A184941 Irregular triangle C(n,g) counting the connected 4-regular simple graphs on n vertices with girth at least g.

n	a(n)
5	1
6	1
7	2
8	6
9	1
10	16
11	0
12	59
13	2
14	265
15	2
16	1544
17	12
18	10778
19	31
20	88168
21	220
22	805491
23	1606
24	8037418
25	16828
26	86221634
27	193900
28	985870522
29	2452818
30	11946487647
31	32670330
32	1
33	152808063181
34	456028474
35	2
36	2056692014474
37	6636066099
38	8
39	28566273166527
40	100135577747
41	131

[1, 1, 2, 6, 1, 16, 0, 59, 2, 265, 2, 1544, 12, 10778, 31, 88168, 220, 805491, 1606, 8037418, 16828, 86221634, 193900, 985870522, 2452818, 11946487647, 32670330, 1, 152808063181, 456028474, 2, 2056692014474, 6636066099, 8, 28566273166527, 100135577747, 131]

cp's OEIS Frontend

A184941 Irregular triangle C(n,g) counting the connected 4-regular simple graphs on n vertices with girth at least g.

Table of values

List of values