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.

A250175 Numbers n such that Phi_15(n) is prime, where Phi is the cyclotomic polynomial.

Table of values

n a(n)
1 2
2 3
3 11
4 17
5 23
6 43
7 46
8 52
9 53
10 61
11 62
12 78
13 84
14 88
15 89
16 92
17 99
18 108
19 123
20 124
21 141
22 146
23 154
24 156
25 158
26 163
27 170
28 171
29 182
30 187
31 202
32 217
33 219
34 221
35 229
36 233
37 238
38 248
39 249
40 253
41 264
42 274
43 275
44 278
45 283
46 285
47 287
48 291
49 296
50 302
51 309
52 314
53 315
54 322
55 325
56 342
57 346
58 353
59 356
60 366
61 368
62 372
63 377
64 380
65 384
66 394
67 404
68 406
69 411
70 420
71 425

List of values

[2, 3, 11, 17, 23, 43, 46, 52, 53, 61, 62, 78, 84, 88, 89, 92, 99, 108, 123, 124, 141, 146, 154, 156, 158, 163, 170, 171, 182, 187, 202, 217, 219, 221, 229, 233, 238, 248, 249, 253, 264, 274, 275, 278, 283, 285, 287, 291, 296, 302, 309, 314, 315, 322, 325, 342, 346, 353, 356, 366, 368, 372, 377, 380, 384, 394, 404, 406, 411, 420, 425]