A340770 - cp's OEIS frontend

A340770 Indices k of prime numbers such that prime(k)-2 and prime(k)^2-2 are both prime numbers.

n	a(n)
1	3
2	4
3	6
4	8
5	14
6	18
7	27
8	34
9	65
10	82
11	99
12	141
13	172
14	177
15	191
16	202
17	216
18	226
19	319
20	333
21	337
22	445
23	470
24	476
25	496
26	552
27	559
28	564
29	578
30	602
31	637
32	672
33	829
34	850
35	863
36	871
37	949
38	1005
39	1065
40	1075
41	1190
42	1199
43	1231
44	1239
45	1306
46	1329
47	1446
48	1450
49	1529
50	1619
51	1635
52	1643

[3, 4, 6, 8, 14, 18, 27, 34, 65, 82, 99, 141, 172, 177, 191, 202, 216, 226, 319, 333, 337, 445, 470, 476, 496, 552, 559, 564, 578, 602, 637, 672, 829, 850, 863, 871, 949, 1005, 1065, 1075, 1190, 1199, 1231, 1239, 1306, 1329, 1446, 1450, 1529, 1619, 1635, 1643]

cp's OEIS Frontend

A340770 Indices k of prime numbers such that prime(k)-2 and prime(k)^2-2 are both prime numbers.

Table of values

List of values