A327661 - cp's OEIS frontend

A327661 Least number k > n - 2 such that k*n^k - 1 is prime.

n	a(n)
1	3
2	2
3	2
4	3
5	8
6	19
7	18
8	7
9	10
10	11
11	252
12	43
13	563528
14	98
15	14
16	167
17	18
18	28
19	410
20	44
21	200
22	140
23	29028
24	124
25	68
26	79
27	2420
28	47
29	26850
30	63
31	2454
32	140
33	42
34	164
35	38
36	62
37	740
38	67
39	448
40	51
41	84
42	135
43	404882
44	43
45	84
46	140
47	140
48	115
49	710
50	2390
51	46640
52	261
53	60
54	72
55	2064
56	414

[3, 2, 2, 3, 8, 19, 18, 7, 10, 11, 252, 43, 563528, 98, 14, 167, 18, 28, 410, 44, 200, 140, 29028, 124, 68, 79, 2420, 47, 26850, 63, 2454, 140, 42, 164, 38, 62, 740, 67, 448, 51, 84, 135, 404882, 43, 84, 140, 140, 115, 710, 2390, 46640, 261, 60, 72, 2064, 414]

cp's OEIS Frontend

A327661 Least number k > n - 2 such that k*n^k - 1 is prime.

Table of values

List of values