A321305 - cp's OEIS frontend

A321305 Triangle T(n,f): the number of signed cubic graphs on 2n vertices with f edges of the first sign.

n	a(n)
0	1
1	0
2	0
3	0
4	0
5	1
6	1
7	2
8	3
9	2
10	1
11	1
12	2
13	3
14	8
15	16
16	21
17	21
18	16
19	8
20	3
21	2
22	5
23	14
24	57
25	152
26	313
27	474
28	551
29	474
30	313
31	152
32	57
33	14
34	5
35	19
36	91
37	491
38	1806
39	5034
40	10604
41	17318
42	22033
43	22033
44	17318
45	10604
46	5034
47	1806
48	491
49	91
50	19
51	85
52	706
53	4981
54	23791
55	84575
56	229078
57	487020
58	825127
59	1127783
60	1250632
61	1127783
62	825127
63	487020
64	229078
65	84575
66	23791
67	4981
68	706
69	85

[1, 0, 0, 0, 0, 1, 1, 2, 3, 2, 1, 1, 2, 3, 8, 16, 21, 21, 16, 8, 3, 2, 5, 14, 57, 152, 313, 474, 551, 474, 313, 152, 57, 14, 5, 19, 91, 491, 1806, 5034, 10604, 17318, 22033, 22033, 17318, 10604, 5034, 1806, 491, 91, 19, 85, 706, 4981, 23791, 84575, 229078, 487020, 825127, 1127783, 1250632, 1127783, 825127, 487020, 229078, 84575, 23791, 4981, 706, 85]

cp's OEIS Frontend

A321305 Triangle T(n,f): the number of signed cubic graphs on 2n vertices with f edges of the first sign.

Table of values

List of values