A350908 - cp's OEIS frontend

A350908 Triangle read by rows: T(n,k) is the number of digraphs on n unlabeled unisolated nodes with k arcs, k = 0..n*(n-1).

n	a(n)
1	0
2	0
3	1
4	1
5	0
6	0
7	3
8	4
9	4
10	1
11	1
12	0
13	0
14	1
15	9
16	23
17	37
18	47
19	38
20	27
21	13
22	5
23	1
24	1
25	0
26	0
27	0
28	3
29	34
30	116
31	331
32	669
33	1128
34	1477
35	1665
36	1489
37	1154
38	707
39	379
40	154
41	61
42	16
43	5
44	1
45	1
46	0
47	0
48	0
49	1
50	15
51	134
52	664
53	2535
54	7796
55	19719
56	42193
57	77324
58	122960
59	170317
60	206983
61	220768

[0, 0, 1, 1, 0, 0, 3, 4, 4, 1, 1, 0, 0, 1, 9, 23, 37, 47, 38, 27, 13, 5, 1, 1, 0, 0, 0, 3, 34, 116, 331, 669, 1128, 1477, 1665, 1489, 1154, 707, 379, 154, 61, 16, 5, 1, 1, 0, 0, 0, 1, 15, 134, 664, 2535, 7796, 19719, 42193, 77324, 122960, 170317, 206983, 220768]

cp's OEIS Frontend

A350908 Triangle read by rows: T(n,k) is the number of digraphs on n unlabeled unisolated nodes with k arcs, k = 0..n*(n-1).

Table of values

List of values