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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.

A242752 Primes p such that pi(p) is a primitive root modulo p, where pi(p) is the number of primes not exceeding p.

Table of values

n a(n)
1 2
2 3
3 5
4 13
5 17
6 29
7 31
8 41
9 47
10 61
11 89
12 101
13 107
14 137
15 167
16 179
17 193
18 197
19 223
20 229
21 251
22 257
23 263
24 271
25 293
26 313
27 337
28 347
29 353
30 379
31 401
32 431
33 439
34 487
35 499
36 587
37 593
38 599
39 601
40 643
41 647
42 653
43 659
44 677
45 701
46 727
47 733
48 739
49 751
50 797
51 821
52 823
53 829
54 857
55 919
56 929
57 941
58 967
59 971
60 983

List of values

[2, 3, 5, 13, 17, 29, 31, 41, 47, 61, 89, 101, 107, 137, 167, 179, 193, 197, 223, 229, 251, 257, 263, 271, 293, 313, 337, 347, 353, 379, 401, 431, 439, 487, 499, 587, 593, 599, 601, 643, 647, 653, 659, 677, 701, 727, 733, 739, 751, 797, 821, 823, 829, 857, 919, 929, 941, 967, 971, 983]

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

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