A064213 - cp's OEIS frontend

A064213 Least k such that k*3^n +- 1 are twin primes.

n	a(n)
0	4
1	2
2	2
3	4
4	10
5	40
6	58
7	64
8	28
9	24
10	8
11	210
12	70
13	36
14	12
15	4
16	78
17	26
18	28
19	20
20	90
21	30
22	10
23	630
24	210
25	70
26	82
27	416
28	612
29	204
30	68
31	930
32	310
33	406
34	1078
35	1164
36	388
37	176
38	190
39	334
40	190
41	726
42	242
43	1004
44	398
45	1430
46	1372
47	2730
48	910
49	1560
50	520

[4, 2, 2, 4, 10, 40, 58, 64, 28, 24, 8, 210, 70, 36, 12, 4, 78, 26, 28, 20, 90, 30, 10, 630, 210, 70, 82, 416, 612, 204, 68, 930, 310, 406, 1078, 1164, 388, 176, 190, 334, 190, 726, 242, 1004, 398, 1430, 1372, 2730, 910, 1560, 520]

cp's OEIS Frontend

A064213 Least k such that k*3^n +- 1 are twin primes.

Table of values

List of values