A235366 - cp's OEIS frontend

A235366 Smallest odd prime factor of 3^n - 1.

n	a(n)
3	13
4	5
5	11
6	7
7	1093
8	5
9	13
10	11
11	23
12	5
13	797161
14	547
15	11
16	5
17	1871
18	7
19	1597
20	5
21	13
22	23
23	47
24	5
25	11
26	398581
27	13
28	5
29	59
30	7
31	683
32	5
33	13
34	103
35	11
36	5
37	13097927
38	1597
39	13
40	5
41	83
42	7
43	431
44	5
45	11
46	47
47	1223
48	5
49	491
50	11
51	13
52	5
53	107
54	7
55	11
56	5
57	13
58	59
59	14425532687
60	5
61	603901
62	683
63	13
64	5
65	11
66	7
67	221101
68	5
69	13
70	11

[13, 5, 11, 7, 1093, 5, 13, 11, 23, 5, 797161, 547, 11, 5, 1871, 7, 1597, 5, 13, 23, 47, 5, 11, 398581, 13, 5, 59, 7, 683, 5, 13, 103, 11, 5, 13097927, 1597, 13, 5, 83, 7, 431, 5, 11, 47, 1223, 5, 491, 11, 13, 5, 107, 7, 11, 5, 13, 59, 14425532687, 5, 603901, 683, 13, 5, 11, 7, 221101, 5, 13, 11]

cp's OEIS Frontend

A235366 Smallest odd prime factor of 3^n - 1.

Table of values

List of values