A241981 - cp's OEIS frontend

A241981 Number T(n,k) of endofunctions on [n] where the largest cycle length equals k; triangle T(n,k), n>=0, 0<=k<=n, read by rows.

n	a(n)
0	1
1	0
2	1
3	0
4	3
5	1
6	0
7	16
8	9
9	2
10	0
11	125
12	93
13	32
14	6
15	0
16	1296
17	1155
18	500
19	150
20	24
21	0
22	16807
23	17025
24	8600
25	3240
26	864
27	120
28	0
29	262144
30	292383
31	165690
32	72030
33	24696
34	5880
35	720
36	0
37	4782969
38	5752131
39	3568768
40	1719060
41	688128
42	215040
43	46080
44	5040

[1, 0, 1, 0, 3, 1, 0, 16, 9, 2, 0, 125, 93, 32, 6, 0, 1296, 1155, 500, 150, 24, 0, 16807, 17025, 8600, 3240, 864, 120, 0, 262144, 292383, 165690, 72030, 24696, 5880, 720, 0, 4782969, 5752131, 3568768, 1719060, 688128, 215040, 46080, 5040]

cp's OEIS Frontend

A241981 Number T(n,k) of endofunctions on [n] where the largest cycle length equals k; triangle T(n,k), n>=0, 0<=k<=n, read by rows.

Table of values

List of values