A065513 - cp's OEIS frontend

A065513 Number of endofunctions of [n] with a cycle a->b->c->a and for all x in [n], some iterate f^k(x)=a.

n	a(n)
3	2
4	24
5	300
6	4320
7	72030
8	1376256
9	29760696
10	720000000
11	19292299290
12	567575838720
13	18197320924068
14	631732166467584
15	23613833496093750
16	945755921747804160
17	40410678374256222960
18	1835086247681868693504
19	88263072551692077310386
20	4482662400000000000000000

[2, 24, 300, 4320, 72030, 1376256, 29760696, 720000000, 19292299290, 567575838720, 18197320924068, 631732166467584, 23613833496093750, 945755921747804160, 40410678374256222960, 1835086247681868693504, 88263072551692077310386, 4482662400000000000000000]

cp's OEIS Frontend

A065513 Number of endofunctions of [n] with a cycle a->b->c->a and for all x in [n], some iterate f^k(x)=a.

Table of values

List of values