A225540 - cp's OEIS frontend

A225540 Triangle of functions in a size n set for which the sequence of composition powers starts with a length k stem (index) before entering a cycle (period).

n	a(n)
0	1
1	1
2	4
3	21
4	6
5	148
6	84
7	24
8	1305
9	1160
10	540
11	120
12	13806
13	17610
14	10560
15	3960
16	720
17	170401
18	296772
19	214410
20	104160
21	32760
22	5040
23	2403640
24	5536440
25	4692576
26	2686320
27	1115520
28	302400
29	40320
30	38143377
31	113680800
32	111488328
33	72080064
34	35637840

[1, 1, 4, 21, 6, 148, 84, 24, 1305, 1160, 540, 120, 13806, 17610, 10560, 3960, 720, 170401, 296772, 214410, 104160, 32760, 5040, 2403640, 5536440, 4692576, 2686320, 1115520, 302400, 40320, 38143377, 113680800, 111488328, 72080064, 35637840]

cp's OEIS Frontend

A225540 Triangle of functions in a size n set for which the sequence of composition powers starts with a length k stem (index) before entering a cycle (period).

Table of values

List of values