A055385 - cp's OEIS frontend

A055385 Smallest prime factor of n^n + 1.

n	a(n)
1	2
2	5
3	2
4	257
5	2
6	13
7	2
8	97
9	2
10	101
11	2
12	89
13	2
14	29
15	2
16	274177
17	2
18	5
19	2
20	148721
21	2
22	5
23	2
24	17
25	2
26	53
27	2
28	449
29	2
30	17
31	2
32	641
33	2
34	13
35	2
36	17
37	2
38	5
39	2
40	17
41	2
42	5
43	2
44	41
45	2
46	29
47	2
48	769
49	2
50	41
51	2
52	89
53	2
54	13
55	2
56	17
57	2
58	5
59	2
60	17
61	2
62	5
63	2
64	59649589127497217
65	2
66	37
67	2
68	41
69	2
70	13
71	2
72	97
73	2
74	149

[2, 5, 2, 257, 2, 13, 2, 97, 2, 101, 2, 89, 2, 29, 2, 274177, 2, 5, 2, 148721, 2, 5, 2, 17, 2, 53, 2, 449, 2, 17, 2, 641, 2, 13, 2, 17, 2, 5, 2, 17, 2, 5, 2, 41, 2, 29, 2, 769, 2, 41, 2, 89, 2, 13, 2, 17, 2, 5, 2, 17, 2, 5, 2, 59649589127497217, 2, 37, 2, 41, 2, 13, 2, 97, 2, 149]

cp's OEIS Frontend

A055385 Smallest prime factor of n^n + 1.

Table of values

List of values