A128452 - cp's OEIS frontend

A128452 Least number k > n such that k^2 divides n^k - 1.

n	a(n)
3	4
4	21
5	6
6	1555
7	8
8	889
9	10
10	111
11	12
12	253
13	14
14	2041
15	16
16	21
17	18
18	128583032925805678351
19	20
20	1432001198261
21	22
22	39
23	24
24	1081
25	26
26	55
27	28
28	171
29	30
30	279241
31	32
32	9641
33	34
34	1191
35	36
36	55
37	38
38	950123
39	40
40	1641
41	42
42	33661
43	44
44	32627169461820247
45	46
46	63
47	48
48	583223
49	50

[4, 21, 6, 1555, 8, 889, 10, 111, 12, 253, 14, 2041, 16, 21, 18, 128583032925805678351, 20, 1432001198261, 22, 39, 24, 1081, 26, 55, 28, 171, 30, 279241, 32, 9641, 34, 1191, 36, 55, 38, 950123, 40, 1641, 42, 33661, 44, 32627169461820247, 46, 63, 48, 583223, 50]

cp's OEIS Frontend

A128452 Least number k > n such that k^2 divides n^k - 1.

Table of values

List of values