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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.

A138242 Prime numbers k such that 12*k - 1, 12*k + 1 are twin primes.

Table of values

n a(n)
1 5
2 19
3 29
4 139
5 149
6 271
7 281
8 379
9 569
10 601
11 691
12 719
13 751
14 839
15 1009
16 1021
17 1051
18 1499
19 1511
20 1601
21 1619
22 1709
23 1801
24 2161
25 2381
26 2539
27 2711
28 2819
29 2851
30 3001
31 3109
32 3221
33 3229
34 3319
35 3449
36 3929
37 4111
38 4129
39 4139
40 4241
41 4261
42 4339
43 4871
44 4909
45 4969

List of values

[5, 19, 29, 139, 149, 271, 281, 379, 569, 601, 691, 719, 751, 839, 1009, 1021, 1051, 1499, 1511, 1601, 1619, 1709, 1801, 2161, 2381, 2539, 2711, 2819, 2851, 3001, 3109, 3221, 3229, 3319, 3449, 3929, 4111, 4129, 4139, 4241, 4261, 4339, 4871, 4909, 4969]

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

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