A075707 - cp's OEIS frontend

A075707 Safe primes (A005385) (p and (p-1)/2 are primes) such that 12*p+1 is also prime.

n	a(n)
1	5
2	23
3	59
4	83
5	383
6	479
7	503
8	719
9	839
10	863
11	1619
12	2039
13	2099
14	2579
15	2819
16	2879
17	3023
18	4139
19	4259
20	4679
21	4703
22	4919
23	5879
24	6719
25	6779
26	7559
27	8039
28	8783
29	8819
30	10799
31	11279
32	11423
33	12203
34	12659
35	12899
36	12983
37	13523
38	13799
39	14159
40	14303
41	14699
42	15683
43	18119
44	18443
45	19259
46	19379
47	20183
48	20663
49	21059
50	23663
51	24083
52	24239
53	24659
54	27239
55	28163
56	29123
57	29339
58	29483
59	29759
60	30803
61	31139
62	31583
63	36923
64	37463
65	38603
66	39119
67	39503
68	39839
69	39983
70	41879
71	42299
72	42443
73	43403
74	44519
75	44939
76	46679
77	47339
78	47819
79	47963

[5, 23, 59, 83, 383, 479, 503, 719, 839, 863, 1619, 2039, 2099, 2579, 2819, 2879, 3023, 4139, 4259, 4679, 4703, 4919, 5879, 6719, 6779, 7559, 8039, 8783, 8819, 10799, 11279, 11423, 12203, 12659, 12899, 12983, 13523, 13799, 14159, 14303, 14699, 15683, 18119, 18443, 19259, 19379, 20183, 20663, 21059, 23663, 24083, 24239, 24659, 27239, 28163, 29123, 29339, 29483, 29759, 30803, 31139, 31583, 36923, 37463, 38603, 39119, 39503, 39839, 39983, 41879, 42299, 42443, 43403, 44519, 44939, 46679, 47339, 47819, 47963]

cp's OEIS Frontend

A075707 Safe primes (A005385) (p and (p-1)/2 are primes) such that 12*p+1 is also prime.

Table of values

List of values