A126067 - cp's OEIS frontend

A126067 Triangle read by rows: T(n,k) is the number of unlabeled self-converse digraphs with n nodes and k arcs, k=0..n*(n-1).

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	2
9	2
10	1
11	1
12	1
13	1
14	3
15	5
16	9
17	10
18	12
19	10
20	9
21	5
22	3
23	1
24	1
25	1
26	1
27	3
28	6
29	15
30	24
31	41
32	57
33	77
34	84
35	90
36	84
37	77
38	57
39	41
40	24
41	15
42	6
43	3
44	1
45	1
46	1
47	1
48	3
49	7
50	20
51	42
52	91
53	164
54	295
55	463
56	683
57	918
58	1185
59	1394
60	1550
61	1590
62	1550
63	1394
64	1185
65	918
66	683
67	463
68	295
69	164
70	91
71	42
72	20
73	7
74	3
75	1
76	1

[1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 1, 3, 5, 9, 10, 12, 10, 9, 5, 3, 1, 1, 1, 1, 3, 6, 15, 24, 41, 57, 77, 84, 90, 84, 77, 57, 41, 24, 15, 6, 3, 1, 1, 1, 1, 3, 7, 20, 42, 91, 164, 295, 463, 683, 918, 1185, 1394, 1550, 1590, 1550, 1394, 1185, 918, 683, 463, 295, 164, 91, 42, 20, 7, 3, 1, 1]

cp's OEIS Frontend

A126067 Triangle read by rows: T(n,k) is the number of unlabeled self-converse digraphs with n nodes and k arcs, k=0..n*(n-1).

Table of values

List of values