A350750 - cp's OEIS frontend

A350750 Triangle read by rows: T(n,k) is the number of strongly connected oriented graphs on n unlabeled nodes with k arcs, n >= 1, k = 0..n*(n-1)/2.

n	a(n)
1	1
2	0
3	0
4	0
5	0
6	0
7	1
8	0
9	0
10	0
11	0
12	1
13	2
14	1
15	0
16	0
17	0
18	0
19	0
20	1
21	5
22	18
23	27
24	19
25	6
26	0
27	0
28	0
29	0
30	0
31	0
32	1
33	8
34	80
35	333
36	765
37	1122
38	1049
39	622
40	217
41	35
42	0
43	0
44	0
45	0
46	0
47	0
48	0
49	1
50	12
51	221
52	1875
53	8971
54	28449
55	63845
56	105556
57	130935
58	122607
59	85926
60	43868
61	15506
62	3403
63	353

[1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 2, 1, 0, 0, 0, 0, 0, 1, 5, 18, 27, 19, 6, 0, 0, 0, 0, 0, 0, 1, 8, 80, 333, 765, 1122, 1049, 622, 217, 35, 0, 0, 0, 0, 0, 0, 0, 1, 12, 221, 1875, 8971, 28449, 63845, 105556, 130935, 122607, 85926, 43868, 15506, 3403, 353]

cp's OEIS Frontend

A350750 Triangle read by rows: T(n,k) is the number of strongly connected oriented graphs on n unlabeled nodes with k arcs, n >= 1, k = 0..n*(n-1)/2.

Table of values

List of values