A186760 - cp's OEIS frontend

A186760 Number of cycles that are either nonincreasing or of length 1 in all permutations of {1,2,...,n}. A cycle (b(1), b(2), ...) is said to be increasing if, when written with its smallest element in the first position, it satisfies b(1) .

n	a(n)
0	0
1	1
2	2
3	7
4	33
5	188
6	1247
7	9448
8	80623
9	765926
10	8022139
11	91872328
12	1142384735
13	15330003154
14	220847064955
15	3399884265524
16	55705822616383
17	967921774366510
18	17778279366693179
19	344189681672898400
20	7005438733866799999
21	149547115419379439978
22	3341127481398057119515

[0, 1, 2, 7, 33, 188, 1247, 9448, 80623, 765926, 8022139, 91872328, 1142384735, 15330003154, 220847064955, 3399884265524, 55705822616383, 967921774366510, 17778279366693179, 344189681672898400, 7005438733866799999, 149547115419379439978, 3341127481398057119515]

cp's OEIS Frontend

A186760 Number of cycles that are either nonincreasing or of length 1 in all permutations of {1,2,...,n}. A cycle (b(1), b(2), ...) is said to be increasing if, when written with its smallest element in the first position, it satisfies b(1) .

Table of values

List of values