A186763 - cp's OEIS frontend

A186763 Number of increasing odd cycles in all permutations of {1,2,...,n}.

n	a(n)
0	0
1	1
2	2
3	7
4	28
5	141
6	846
7	5923
8	47384
9	426457
10	4264570
11	46910271
12	562923252
13	7318002277
14	102452031878
15	1536780478171
16	24588487650736
17	418004290062513
18	7524077221125234
19	142957467201379447
20	2859149344027588940
21	60042136224579367741

[0, 1, 2, 7, 28, 141, 846, 5923, 47384, 426457, 4264570, 46910271, 562923252, 7318002277, 102452031878, 1536780478171, 24588487650736, 418004290062513, 7524077221125234, 142957467201379447, 2859149344027588940, 60042136224579367741]

cp's OEIS Frontend

A186763 Number of increasing odd cycles in all permutations of {1,2,...,n}.

Table of values

List of values