A176466 - cp's OEIS frontend

A176466 The smallest prime q which stays prime through at least 3 iterations of q -> 2 * q + prime(n+1).

n	a(n)
1	2
2	13
3	5
4	199
5	2
6	13
7	251
8	487
9	61
10	5
11	113
12	19
13	2
14	13
15	157
16	1621
17	269
18	23
19	139
20	557
21	5
22	37
23	241
24	5
25	19
26	587
27	823
28	41
29	97
30	5
31	109
32	13
33	1151
34	31
35	1409
36	53
37	5
38	1543
39	67
40	421
41	5
42	1039
43	2
44	13
45	41
46	359
47	1697
48	43
49	101
50	157
51	1531
52	179
53	79
54	193
55	37
56	181
57	149
58	113
59	4519
60	197
61	397
62	23
63	739
64	2
65	283
66	29
67	5
68	163
69	1031
70	1987

[2, 13, 5, 199, 2, 13, 251, 487, 61, 5, 113, 19, 2, 13, 157, 1621, 269, 23, 139, 557, 5, 37, 241, 5, 19, 587, 823, 41, 97, 5, 109, 13, 1151, 31, 1409, 53, 5, 1543, 67, 421, 5, 1039, 2, 13, 41, 359, 1697, 43, 101, 157, 1531, 179, 79, 193, 37, 181, 149, 113, 4519, 197, 397, 23, 739, 2, 283, 29, 5, 163, 1031, 1987]

cp's OEIS Frontend

A176466 The smallest prime q which stays prime through at least 3 iterations of q -> 2 * q + prime(n+1).

Table of values

List of values