A345341 - cp's OEIS frontend

A345341 Total number of cycles in all permutations of [n] having cycles of the form (c1, c2, ..., c_m) where c1 = min_{i>=1} c_i and c_j = min_{i>=j} c_i or c_j = max_{i>=j} c_i.

n	a(n)
0	0
1	1
2	3
3	11
4	48
5	238
6	1318
7	8054
8	53728
9	387836
10	3007940
11	24917668
12	219375104
13	2043792680
14	20074003368
15	207186660712
16	2240632127232
17	25324980662544
18	298471543286448
19	3660469596095280
20	46627358889945344
21	615855211031451104
22	8421273619742748256

[0, 1, 3, 11, 48, 238, 1318, 8054, 53728, 387836, 3007940, 24917668, 219375104, 2043792680, 20074003368, 207186660712, 2240632127232, 25324980662544, 298471543286448, 3660469596095280, 46627358889945344, 615855211031451104, 8421273619742748256]

cp's OEIS Frontend

A345341 Total number of cycles in all permutations of [n] having cycles of the form (c1, c2, ..., c_m) where c1 = min_{i>=1} c_i and c_j = min_{i>=j} c_i or c_j = max_{i>=j} c_i.

Table of values

List of values