A129733 - cp's OEIS frontend

A129733 List of primitive prime divisors of the numbers (3^k-1)/2 (A003462) for k>=2, in order of their occurrence.

n	a(n)
1	2
2	13
3	5
4	11
5	7
6	1093
7	41
8	757
9	61
10	23
11	3851
12	73
13	797161
14	547
15	4561
16	17
17	193
18	1871
19	34511
20	19
21	37
22	1597
23	363889
24	1181
25	368089
26	67
27	661
28	47
29	1001523179
30	6481
31	8951
32	391151
33	398581
34	109
35	433
36	8209
37	29
38	16493
39	59
40	28537
41	20381027
42	31
43	271
44	683

[2, 13, 5, 11, 7, 1093, 41, 757, 61, 23, 3851, 73, 797161, 547, 4561, 17, 193, 1871, 34511, 19, 37, 1597, 363889, 1181, 368089, 67, 661, 47, 1001523179, 6481, 8951, 391151, 398581, 109, 433, 8209, 29, 16493, 59, 28537, 20381027, 31, 271, 683]

cp's OEIS Frontend

A129733 List of primitive prime divisors of the numbers (3^k-1)/2 (A003462) for k>=2, in order of their occurrence.

Table of values

List of values