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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A372009 Indices k such that A124652(k) is prime.

Table of values

n a(n)
1 2
2 3
3 5
4 11
5 12
6 20
7 24
8 28
9 29
10 33
11 42
12 43
13 53
14 58
15 67
16 78
17 93
18 98
19 104
20 105
21 109
22 112
23 118
24 125
25 126
26 137
27 141
28 145
29 146
30 162
31 174
32 182
33 185
34 187
35 188
36 195
37 200
38 223
39 224
40 231
41 232
42 239
43 246
44 249
45 252
46 255
47 259
48 264
49 271
50 275
51 283
52 286
53 287
54 296
55 298
56 300
57 326

List of values

[2, 3, 5, 11, 12, 20, 24, 28, 29, 33, 42, 43, 53, 58, 67, 78, 93, 98, 104, 105, 109, 112, 118, 125, 126, 137, 141, 145, 146, 162, 174, 182, 185, 187, 188, 195, 200, 223, 224, 231, 232, 239, 246, 249, 252, 255, 259, 264, 271, 275, 283, 286, 287, 296, 298, 300, 326]