A374420 - cp's OEIS frontend

A374420 Triangle T(n, k) for the number of permutations of symmetric group S_n with an odd number of non-fixed point cycles, without k <= n particular fixed points.

n	a(n)
0	0
1	0
2	0
3	1
4	1
5	1
6	5
7	4
8	3
9	2
10	20
11	15
12	11
13	8
14	6
15	84
16	64
17	49
18	38
19	30
20	24
21	424
22	340
23	276
24	227
25	189
26	159
27	135
28	2680
29	2256
30	1916
31	1640
32	1413
33	1224
34	1065
35	930
36	20544
37	17864
38	15608
39	13692
40	12052
41	10639
42	9415
43	8350
44	7420
45	182336
46	161792
47	143928
48	128320
49	114628
50	102576
51	91937
52	82522
53	74172
54	66752

[0, 0, 0, 1, 1, 1, 5, 4, 3, 2, 20, 15, 11, 8, 6, 84, 64, 49, 38, 30, 24, 424, 340, 276, 227, 189, 159, 135, 2680, 2256, 1916, 1640, 1413, 1224, 1065, 930, 20544, 17864, 15608, 13692, 12052, 10639, 9415, 8350, 7420, 182336, 161792, 143928, 128320, 114628, 102576, 91937, 82522, 74172, 66752]

cp's OEIS Frontend

A374420 Triangle T(n, k) for the number of permutations of symmetric group S_n with an odd number of non-fixed point cycles, without k <= n particular fixed points.

Table of values

List of values