A125571 - cp's OEIS frontend

A125571 Least prime factor of Sum_{k=0..n-1} n^k.

n	a(n)
2	3
3	13
4	5
5	11
6	7
7	29
8	3
9	7
10	11
11	15797
12	5
13	53
14	3
15	11
16	17
17	10949
18	7
19	109912203092239643840221
20	3
21	43
22	23
23	461
24	5
25	11
26	3
27	109
28	5
29	59
30	7
31	568972471024107865287021434301977158534824481
32	3
33	67
34	5
35	31
36	13
37	149
38	3
39	7
40	11
41	83
42	13
43	173
44	3
45	19
46	47

[3, 13, 5, 11, 7, 29, 3, 7, 11, 15797, 5, 53, 3, 11, 17, 10949, 7, 109912203092239643840221, 3, 43, 23, 461, 5, 11, 3, 109, 5, 59, 7, 568972471024107865287021434301977158534824481, 3, 67, 5, 31, 13, 149, 3, 7, 11, 83, 13, 173, 3, 19, 47]

cp's OEIS Frontend

A125571 Least prime factor of Sum_{k=0..n-1} n^k.

Table of values

List of values