A214498 - cp's OEIS frontend

A214498 Smallest k>=0 such that (3^n+k)2^n-1 and (3^n+k)2^n+1 are a twin prime pair.

n	a(n)
1	0
2	6
3	3
4	12
5	78
6	18
7	18
8	141
9	18
10	54
11	78
12	132
13	138
14	78
15	57
16	537
17	237
18	6
19	972
20	219
21	81
22	3369
23	69
24	501
25	2328
26	18
27	738
28	291
29	393
30	969
31	324
32	492
33	102
34	3291
35	1788
36	1401
37	891
38	954
39	4017
40	309
41	702
42	1656
43	3999
44	1014
45	2346
46	4008
47	3
48	5001
49	2736
50	558
51	2262
52	969
53	762

[0, 6, 3, 12, 78, 18, 18, 141, 18, 54, 78, 132, 138, 78, 57, 537, 237, 6, 972, 219, 81, 3369, 69, 501, 2328, 18, 738, 291, 393, 969, 324, 492, 102, 3291, 1788, 1401, 891, 954, 4017, 309, 702, 1656, 3999, 1014, 2346, 4008, 3, 5001, 2736, 558, 2262, 969, 762]

cp's OEIS Frontend

A214498 Smallest k>=0 such that (3^n+k)2^n-1 and (3^n+k)2^n+1 are a twin prime pair.

Table of values

List of values

cp's OEIS Frontend

A214498 Smallest k>=0 such that (3^n+k)*2^n-1 and (3^n+k)*2^n+1 are a twin prime pair.

Table of values

List of values

A214498 Smallest k>=0 such that (3^n+k)2^n-1 and (3^n+k)2^n+1 are a twin prime pair.