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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.

A101087 Indices of prime values of A077020 (also A001607).

Table of values

n a(n)
1 4
2 6
3 7
4 8
5 9
6 10
7 11
8 15
9 17
10 19
11 23
12 25
13 26
14 29
15 31
16 47
17 53
18 65
19 67
20 71
21 73
22 113
23 127
24 199
25 257
26 349
27 421
28 433
29 449
30 691
31 761
32 823
33 991
34 1237
35 1277
36 1399
37 1531
38 1571
39 3461
40 3697
41 4933
42 6199
43 7351

List of values

[4, 6, 7, 8, 9, 10, 11, 15, 17, 19, 23, 25, 26, 29, 31, 47, 53, 65, 67, 71, 73, 113, 127, 199, 257, 349, 421, 433, 449, 691, 761, 823, 991, 1237, 1277, 1399, 1531, 1571, 3461, 3697, 4933, 6199, 7351]

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

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