A350450 - cp's OEIS frontend

A350450 Triangle read by rows: T(n,k) is the number of unlabeled weakly connected acyclic digraphs with n arcs and k vertices, n >= 0, k = 1..n+1.

n	a(n)
0	1
1	0
2	1
3	0
4	0
5	3
6	0
7	0
8	1
9	8
10	0
11	0
12	0
13	9
14	27
15	0
16	0
17	0
18	6
19	54
20	91
21	0
22	0
23	0
24	1
25	79
26	320
27	350
28	0
29	0
30	0
31	0
32	63
33	732
34	1788
35	1376
36	0
37	0
38	0
39	0
40	33
41	1136
42	6012
43	9933
44	5743
45	0
46	0
47	0
48	0
49	10
50	1281
51	14378
52	45225
53	54502
54	24635
55	0
56	0
57	0
58	0
59	1
60	1056
61	26529
62	151848
63	322736
64	298250
65	108968

[1, 0, 1, 0, 0, 3, 0, 0, 1, 8, 0, 0, 0, 9, 27, 0, 0, 0, 6, 54, 91, 0, 0, 0, 1, 79, 320, 350, 0, 0, 0, 0, 63, 732, 1788, 1376, 0, 0, 0, 0, 33, 1136, 6012, 9933, 5743, 0, 0, 0, 0, 10, 1281, 14378, 45225, 54502, 24635, 0, 0, 0, 0, 1, 1056, 26529, 151848, 322736, 298250, 108968]

cp's OEIS Frontend

A350450 Triangle read by rows: T(n,k) is the number of unlabeled weakly connected acyclic digraphs with n arcs and k vertices, n >= 0, k = 1..n+1.

Table of values

List of values