A351263 - cp's OEIS frontend

A351263 Triangle read by rows: T(n,k) is the number of oriented graphs on n labeled nodes whose underlying graph is k-regular, k = 0..n-1.

n	a(n)
1	1
2	1
3	2
4	1
5	0
6	8
7	1
8	12
9	48
10	64
11	1
12	0
13	384
14	0
15	1024
16	1
17	120
18	4480
19	35840
20	61440
21	32768
22	1
23	0
24	59520
25	0
26	7618560
27	0
28	2097152
29	1
30	1680
31	897792
32	79278080
33	1268449280
34	3677356032
35	1761607680
36	268435456
37	1
38	0
39	15368192
40	0
41	268535070720
42	0
43	4028679323648
44	0
45	68719476736

[1, 1, 2, 1, 0, 8, 1, 12, 48, 64, 1, 0, 384, 0, 1024, 1, 120, 4480, 35840, 61440, 32768, 1, 0, 59520, 0, 7618560, 0, 2097152, 1, 1680, 897792, 79278080, 1268449280, 3677356032, 1761607680, 268435456, 1, 0, 15368192, 0, 268535070720, 0, 4028679323648, 0, 68719476736]

cp's OEIS Frontend

A351263 Triangle read by rows: T(n,k) is the number of oriented graphs on n labeled nodes whose underlying graph is k-regular, k = 0..n-1.

Table of values

List of values