A350733 - cp's OEIS frontend

A350733 Triangle read by rows: T(n,k) is the number of oriented graphs on n unlabeled nodes with k arcs, n >= 0, k = 0..n*(n-1)/2.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	3
7	2
8	1
9	1
10	4
11	10
12	12
13	10
14	4
15	1
16	1
17	4
18	13
19	41
20	78
21	131
22	144
23	107
24	50
25	12
26	1
27	1
28	4
29	14
30	55
31	187
32	539
33	1292
34	2500
35	3817
36	4512
37	4112
38	2740
39	1274
40	376
41	56
42	1
43	1
44	4
45	14
46	58
47	240
48	1009
49	3643
50	11815
51	32538
52	76145
53	149724
54	247329
55	340364
56	387834
57	361450
58	271177
59	159872
60	71320
61	22690
62	4604
63	456

[1, 1, 1, 1, 1, 1, 3, 2, 1, 1, 4, 10, 12, 10, 4, 1, 1, 4, 13, 41, 78, 131, 144, 107, 50, 12, 1, 1, 4, 14, 55, 187, 539, 1292, 2500, 3817, 4512, 4112, 2740, 1274, 376, 56, 1, 1, 4, 14, 58, 240, 1009, 3643, 11815, 32538, 76145, 149724, 247329, 340364, 387834, 361450, 271177, 159872, 71320, 22690, 4604, 456]

cp's OEIS Frontend

A350733 Triangle read by rows: T(n,k) is the number of oriented graphs on n unlabeled nodes with k arcs, n >= 0, k = 0..n*(n-1)/2.

Table of values

List of values