A350910 - cp's OEIS frontend

A350910 Triangle read by rows: T(n,k) is the number of k-regular digraphs on n unlabeled nodes, k = 0..n-1.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	1
12	2
13	5
14	2
15	1
16	1
17	4
18	23
19	23
20	4
21	1
22	1
23	4
24	92
25	415
26	92
27	4
28	1
29	1
30	7
31	624
32	19041
33	19041
34	624
35	7
36	1
37	1
38	8
39	5021
40	1104045
41	6510087
42	1104045
43	5021
44	8
45	1
46	1
47	12
48	47034
49	79818336
50	2983458766
51	2983458766
52	79818336
53	47034
54	12
55	1

[1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 5, 2, 1, 1, 4, 23, 23, 4, 1, 1, 4, 92, 415, 92, 4, 1, 1, 7, 624, 19041, 19041, 624, 7, 1, 1, 8, 5021, 1104045, 6510087, 1104045, 5021, 8, 1, 1, 12, 47034, 79818336, 2983458766, 2983458766, 79818336, 47034, 12, 1]

cp's OEIS Frontend

A350910 Triangle read by rows: T(n,k) is the number of k-regular digraphs on n unlabeled nodes, k = 0..n-1.

Table of values

List of values