cp's OEIS Frontend

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.

A338930 Numbers k such that Sum_{d | k} (d^2 mod k) is prime.

Table of values

n a(n)
1 8
2 16
3 18
4 21
5 39
6 45
7 55
8 57
9 93
10 98
11 99
12 100
13 111
14 119
15 129
16 144
17 153
18 162
19 183
20 203
21 205
22 219
23 231
24 237
25 245
26 261
27 273
28 291
29 309
30 341
31 355
32 377
33 381
34 413
35 417
36 429
37 471
38 481
39 484
40 489
41 505
42 511
43 513
44 517
45 543
46 583
47 603
48 609
49 629
50 637
51 639
52 651
53 655
54 669
55 676
56 687
57 689
58 697
59 707
60 722
61 723
62 731

List of values

[8, 16, 18, 21, 39, 45, 55, 57, 93, 98, 99, 100, 111, 119, 129, 144, 153, 162, 183, 203, 205, 219, 231, 237, 245, 261, 273, 291, 309, 341, 355, 377, 381, 413, 417, 429, 471, 481, 484, 489, 505, 511, 513, 517, 543, 583, 603, 609, 629, 637, 639, 651, 655, 669, 676, 687, 689, 697, 707, 722, 723, 731]