A185304 - cp's OEIS frontend

A185304 Triangular array E(n,k) counting not necessarily connected k-regular simple graphs on n vertices with girth at least 4.

n	a(n)
1	1
2	1
3	1
4	1
5	0
6	1
7	1
8	1
9	1
10	0
11	1
12	1
13	1
14	1
15	1
16	1
17	0
18	1
19	0
20	1
21	1
22	2
23	2
24	1
25	1
26	0
27	2
28	0
29	0
30	1
31	1
32	3
33	6
34	2
35	1
36	1
37	0
38	3
39	0
40	2
41	0
42	1
43	1
44	5
45	23
46	12
47	1
48	1
49	1
50	0
51	5
52	0
53	31
54	0
55	0
56	1
57	1
58	7
59	112
60	220
61	7
62	1
63	1
64	1
65	0
66	8
67	0
68	1606
69	0
70	1
71	0
72	1
73	1
74	11
75	801
76	16829
77	388
78	9
79	1
80	1
81	1
82	0
83	12
84	0
85	193900
86	0
87	6
88	0
89	0
90	1
91	1
92	16
93	7840
94	2452820
95	406824
96	267
97	8
98	1
99	1
100	1
101	0
102	18
103	0
104	32670332
105	0
106	3727
107	0
108	0
109	0

[1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 2, 2, 1, 1, 0, 2, 0, 0, 1, 1, 3, 6, 2, 1, 1, 0, 3, 0, 2, 0, 1, 1, 5, 23, 12, 1, 1, 1, 0, 5, 0, 31, 0, 0, 1, 1, 7, 112, 220, 7, 1, 1, 1, 0, 8, 0, 1606, 0, 1, 0, 1, 1, 11, 801, 16829, 388, 9, 1, 1, 1, 0, 12, 0, 193900, 0, 6, 0, 0, 1, 1, 16, 7840, 2452820, 406824, 267, 8, 1, 1, 1, 0, 18, 0, 32670332, 0, 3727, 0, 0, 0]

cp's OEIS Frontend

A185304 Triangular array E(n,k) counting not necessarily connected k-regular simple graphs on n vertices with girth at least 4.

Table of values

List of values