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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.

A122183 Primes p_i by index i for which the period length of 1/p_i is a semiprime.

Table of values

n a(n)
1 4
2 6
3 9
4 11
5 14
6 15
7 17
8 19
9 20
10 26
11 27
12 34
13 39
14 41
15 43
16 56
17 59
18 61
19 62
20 64
21 76
22 83
23 85
24 86
25 96
26 101
27 102
28 109
29 111
30 112
31 119
32 124
33 138
34 140
35 144
36 147
37 149
38 150
39 154
40 161
41 166
42 168
43 170
44 171
45 175
46 192
47 198
48 203
49 216
50 219
51 222
52 224
53 225
54 235
55 236
56 239
57 240
58 246
59 251

List of values

[4, 6, 9, 11, 14, 15, 17, 19, 20, 26, 27, 34, 39, 41, 43, 56, 59, 61, 62, 64, 76, 83, 85, 86, 96, 101, 102, 109, 111, 112, 119, 124, 138, 140, 144, 147, 149, 150, 154, 161, 166, 168, 170, 171, 175, 192, 198, 203, 216, 219, 222, 224, 225, 235, 236, 239, 240, 246, 251]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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