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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.

A385223 Primes p such that multiplicative order of -3 modulo p is odd.

Table of values

n a(n)
1 2
2 7
3 19
4 31
5 37
6 43
7 61
8 67
9 79
10 103
11 127
12 139
13 151
14 157
15 163
16 199
17 211
18 223
19 271
20 283
21 307
22 331
23 349
24 367
25 373
26 379
27 397
28 439
29 463
30 487
31 499
32 523
33 547
34 571
35 607
36 613
37 619
38 631
39 643
40 661
41 691
42 727
43 739
44 751
45 787
46 811
47 823
48 853
49 859
50 877
51 883
52 907
53 919
54 937
55 967
56 991
57 997

List of values

[2, 7, 19, 31, 37, 43, 61, 67, 79, 103, 127, 139, 151, 157, 163, 199, 211, 223, 271, 283, 307, 331, 349, 367, 373, 379, 397, 439, 463, 487, 499, 523, 547, 571, 607, 613, 619, 631, 643, 661, 691, 727, 739, 751, 787, 811, 823, 853, 859, 877, 883, 907, 919, 937, 967, 991, 997]