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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.

A173269 2*prime(prime(n))-3 and 3*prime(prime(n))-2 are both primes.

Table of values

n a(n)
1 1
2 2
3 3
4 8
5 11
6 14
7 15
8 19
9 23
10 24
11 28
12 39
13 44
14 47
15 54
16 62
17 63
18 81
19 85
20 101
21 121
22 122
23 124
24 136
25 152
26 159
27 180
28 218
29 219
30 241
31 247
32 253
33 274
34 290
35 298
36 307
37 323
38 324
39 341
40 361
41 371
42 376
43 381
44 403
45 410
46 413
47 441
48 443
49 479
50 487
51 499
52 552
53 554
54 556
55 562
56 582
57 622

List of values

[1, 2, 3, 8, 11, 14, 15, 19, 23, 24, 28, 39, 44, 47, 54, 62, 63, 81, 85, 101, 121, 122, 124, 136, 152, 159, 180, 218, 219, 241, 247, 253, 274, 290, 298, 307, 323, 324, 341, 361, 371, 376, 381, 403, 410, 413, 441, 443, 479, 487, 499, 552, 554, 556, 562, 582, 622]

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

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