A130263 - cp's OEIS frontend

A130263 Number of degree-n permutations such that number of cycles of size k is odd (or zero) for every k.

n	a(n)
0	1
1	1
2	1
3	6
4	14
5	85
6	529
7	3451
8	26816
9	243909
10	2507333
11	26196841
12	323194816
13	4086482335
14	57669014597
15	864137455455
16	13792308331616
17	231648908415001
18	4211676768746569
19	79205041816808905
20	1584565388341689032
21	33265011234209710011
22	730971789582886971689

[1, 1, 1, 6, 14, 85, 529, 3451, 26816, 243909, 2507333, 26196841, 323194816, 4086482335, 57669014597, 864137455455, 13792308331616, 231648908415001, 4211676768746569, 79205041816808905, 1584565388341689032, 33265011234209710011, 730971789582886971689]

cp's OEIS Frontend

A130263 Number of degree-n permutations such that number of cycles of size k is odd (or zero) for every k.

Table of values

List of values