A191646 - cp's OEIS frontend

A191646 Triangle read by rows: T(n,k) = number of connected multigraphs with n >= 0 edges and 1 <= k <= n+1 vertices, with no loops allowed.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	1
8	2
9	2
10	0
11	1
12	3
13	5
14	3
15	0
16	1
17	4
18	11
19	11
20	6
21	0
22	1
23	6
24	22
25	34
26	29
27	11
28	0
29	1
30	7
31	37
32	85
33	110
34	70
35	23
36	0
37	1
38	9
39	61
40	193
41	348
42	339
43	185
44	47
45	0
46	1
47	11
48	95
49	396
50	969
51	1318
52	1067
53	479
54	106
55	0
56	1
57	13
58	141
59	771
60	2445
61	4457
62	4940
63	3294
64	1279
65	235

[1, 0, 1, 0, 1, 1, 0, 1, 2, 2, 0, 1, 3, 5, 3, 0, 1, 4, 11, 11, 6, 0, 1, 6, 22, 34, 29, 11, 0, 1, 7, 37, 85, 110, 70, 23, 0, 1, 9, 61, 193, 348, 339, 185, 47, 0, 1, 11, 95, 396, 969, 1318, 1067, 479, 106, 0, 1, 13, 141, 771, 2445, 4457, 4940, 3294, 1279, 235]

cp's OEIS Frontend

A191646 Triangle read by rows: T(n,k) = number of connected multigraphs with n >= 0 edges and 1 <= k <= n+1 vertices, with no loops allowed.

Table of values

List of values