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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.

A307627 Primes p such that 2 is a primitive root modulo p while 8 is not.

Table of values

n a(n)
1 13
2 19
3 37
4 61
5 67
6 139
7 163
8 181
9 211
10 349
11 373
12 379
13 421
14 523
15 541
16 547
17 613
18 619
19 661
20 709
21 757
22 787
23 829
24 853
25 859
26 877
27 883
28 907
29 1117
30 1123
31 1171
32 1213
33 1237
34 1291
35 1381
36 1453
37 1483
38 1531
39 1549
40 1621
41 1669
42 1693
43 1741
44 1747
45 1861
46 1867
47 1987
48 2029
49 2053

List of values

[13, 19, 37, 61, 67, 139, 163, 181, 211, 349, 373, 379, 421, 523, 541, 547, 613, 619, 661, 709, 757, 787, 829, 853, 859, 877, 883, 907, 1117, 1123, 1171, 1213, 1237, 1291, 1381, 1453, 1483, 1531, 1549, 1621, 1669, 1693, 1741, 1747, 1861, 1867, 1987, 2029, 2053]

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

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