A182030 - cp's OEIS frontend

A182030 Least odd number k such that 3k2^n-1 and 3k2^n+1 are twin primes.

n	a(n)
1	1
2	1
3	3
4	5
5	27
6	1
7	3
8	19
9	15
10	5
11	33
12	55
13	123
14	15
15	115
16	39
17	127
18	1
19	23
20	149
21	27
22	11
23	393
24	81
25	255
26	125
27	27
28	129
29	15
30	115
31	227
32	195
33	125
34	89
35	247
36	71
37	143
38	1031
39	55
40	89
41	85
42	365
43	3
44	49
45	283
46	135
47	497
48	59
49	647
50	309
51	375
52	399
53	667
54	111
55	173
56	355
57	195
58	219
59	43
60	49

[1, 1, 3, 5, 27, 1, 3, 19, 15, 5, 33, 55, 123, 15, 115, 39, 127, 1, 23, 149, 27, 11, 393, 81, 255, 125, 27, 129, 15, 115, 227, 195, 125, 89, 247, 71, 143, 1031, 55, 89, 85, 365, 3, 49, 283, 135, 497, 59, 647, 309, 375, 399, 667, 111, 173, 355, 195, 219, 43, 49]

cp's OEIS Frontend

A182030 Least odd number k such that 3k2^n-1 and 3k2^n+1 are twin primes.

Table of values

List of values

cp's OEIS Frontend

A182030 Least odd number k such that 3*k*2^n-1 and 3*k*2^n+1 are twin primes.

Table of values

List of values

A182030 Least odd number k such that 3k2^n-1 and 3k2^n+1 are twin primes.