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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.

A038904 Primes p such that 30 is not a square mod p.

Table of values

n a(n)
1 11
2 23
3 31
4 41
5 43
6 47
7 53
8 59
9 61
10 67
11 73
12 79
13 89
14 97
15 109
16 131
17 151
18 163
19 167
20 173
21 179
22 181
23 193
24 197
25 199
26 229
27 251
28 263
29 271
30 281
31 283
32 293
33 307
34 313
35 317
36 337
37 349
38 383
39 401
40 419
41 421
42 433
43 439
44 449
45 457

List of values

[11, 23, 31, 41, 43, 47, 53, 59, 61, 67, 73, 79, 89, 97, 109, 131, 151, 163, 167, 173, 179, 181, 193, 197, 199, 229, 251, 263, 271, 281, 283, 293, 307, 313, 317, 337, 349, 383, 401, 419, 421, 433, 439, 449, 457]