A060523 - cp's OEIS frontend

A060523 Triangle T(n,k) = number of degree-n permutations with k even cycles, k=0..n.

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	3
7	3
8	0
9	0
10	9
11	12
12	3
13	0
14	0
15	45
16	60
17	15
18	0
19	0
20	0
21	225
22	345
23	135
24	15
25	0
26	0
27	0
28	1575
29	2415
30	945
31	105
32	0
33	0
34	0
35	0
36	11025
37	18480
38	9030
39	1680
40	105
41	0
42	0
43	0
44	0
45	99225
46	166320
47	81270
48	15120
49	945
50	0
51	0
52	0
53	0
54	0
55	893025
56	1596105
57	897750
58	217350
59	23625
60	945
61	0
62	0
63	0
64	0
65	0

[1, 1, 0, 1, 1, 0, 3, 3, 0, 0, 9, 12, 3, 0, 0, 45, 60, 15, 0, 0, 0, 225, 345, 135, 15, 0, 0, 0, 1575, 2415, 945, 105, 0, 0, 0, 0, 11025, 18480, 9030, 1680, 105, 0, 0, 0, 0, 99225, 166320, 81270, 15120, 945, 0, 0, 0, 0, 0, 893025, 1596105, 897750, 217350, 23625, 945, 0, 0, 0, 0, 0]

cp's OEIS Frontend

A060523 Triangle T(n,k) = number of degree-n permutations with k even cycles, k=0..n.

Table of values

List of values