A368926 - cp's OEIS frontend

A368926 Triangle read by rows where T(n,k) is the number of unlabeled loop-graphs on n vertices with k loops and n-k non-loops such that it is possible to choose a different element from each edge.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	1
7	2
8	1
9	1
10	2
11	5
12	3
13	1
14	1
15	5
16	12
17	7
18	3
19	1
20	1
21	14
22	29
23	19
24	8
25	3
26	1
27	1
28	35
29	75
30	47
31	21
32	8
33	3
34	1
35	1
36	97
37	191
38	127
39	54
40	22
41	8
42	3
43	1
44	1
45	264
46	504
47	331
48	149
49	56
50	22
51	8
52	3
53	1
54	1
55	733
56	1339
57	895
58	395
59	156
60	57
61	22
62	8
63	3
64	1
65	1

[1, 0, 1, 0, 1, 1, 1, 2, 1, 1, 2, 5, 3, 1, 1, 5, 12, 7, 3, 1, 1, 14, 29, 19, 8, 3, 1, 1, 35, 75, 47, 21, 8, 3, 1, 1, 97, 191, 127, 54, 22, 8, 3, 1, 1, 264, 504, 331, 149, 56, 22, 8, 3, 1, 1, 733, 1339, 895, 395, 156, 57, 22, 8, 3, 1, 1]

cp's OEIS Frontend

A368926 Triangle read by rows where T(n,k) is the number of unlabeled loop-graphs on n vertices with k loops and n-k non-loops such that it is possible to choose a different element from each edge.

Table of values

List of values