A379640 - cp's OEIS frontend

A379640 Smallest primitive prime factor of 7^n-1.

n	a(n)
1	2
2	1
3	19
4	5
5	2801
6	43
7	29
8	1201
9	37
10	11
11	1123
12	13
13	16148168401
14	113
15	31
16	17
17	14009
18	117307
19	419
20	281
21	11898664849
22	23
23	47
24	73
25	2551
26	53
27	109
28	13564461457
29	59
30	6568801
31	311
32	353
33	3631
34	29078814248401
35	2127431041
36	13841169553
37	223
38	351121
39	486643
40	41
41	83
42	51031

[2, 1, 19, 5, 2801, 43, 29, 1201, 37, 11, 1123, 13, 16148168401, 113, 31, 17, 14009, 117307, 419, 281, 11898664849, 23, 47, 73, 2551, 53, 109, 13564461457, 59, 6568801, 311, 353, 3631, 29078814248401, 2127431041, 13841169553, 223, 351121, 486643, 41, 83, 51031]

cp's OEIS Frontend

A379640 Smallest primitive prime factor of 7^n-1.

Table of values

List of values