A216217 - cp's OEIS frontend

A216217 Smallest k such that 6^n - 2k3^n - 1 and 6^n - 2k3^n + 1 are twin primes or 0 if no solution, n > 1.

n	a(n)
2	1
3	2
4	3
5	0
6	3
7	11
8	33
9	9
10	26
11	6
12	34
13	138
14	51
15	19
16	33
17	246
18	66
19	31
20	167
21	73
22	13
23	716
24	138
25	148
26	138
27	339
28	447
29	41
30	131
31	41
32	9
33	178
34	778
35	337
36	543
37	2154
38	213
39	1216
40	454
41	183
42	678
43	442
44	157
45	381
46	297
47	1476
48	54
49	1201
50	1942
51	1566
52	572
53	3708
54	3261
55	3672
56	1087
57	306

[1, 2, 3, 0, 3, 11, 33, 9, 26, 6, 34, 138, 51, 19, 33, 246, 66, 31, 167, 73, 13, 716, 138, 148, 138, 339, 447, 41, 131, 41, 9, 178, 778, 337, 543, 2154, 213, 1216, 454, 183, 678, 442, 157, 381, 297, 1476, 54, 1201, 1942, 1566, 572, 3708, 3261, 3672, 1087, 306]

cp's OEIS Frontend

A216217 Smallest k such that 6^n - 2k3^n - 1 and 6^n - 2k3^n + 1 are twin primes or 0 if no solution, n > 1.

Table of values

List of values

cp's OEIS Frontend

A216217 Smallest k such that 6^n - 2*k*3^n - 1 and 6^n - 2*k*3^n + 1 are twin primes or 0 if no solution, n > 1.

Table of values

List of values

A216217 Smallest k such that 6^n - 2k3^n - 1 and 6^n - 2k3^n + 1 are twin primes or 0 if no solution, n > 1.