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.

A246392 Numbers n such that Phi(10, n) is prime, where Phi is the cyclotomic polynomial.

Table of values

n a(n)
1 2
2 3
3 5
4 10
5 11
6 12
7 16
8 20
9 21
10 22
11 33
12 37
13 38
14 43
15 47
16 48
17 55
18 71
19 75
20 76
21 80
22 81
23 111
24 121
25 126
26 131
27 133
28 135
29 136
30 141
31 155
32 157
33 158
34 165
35 176
36 177
37 180
38 203
39 223
40 242
41 245
42 251
43 253
44 256
45 257
46 258
47 265
48 268
49 276
50 286
51 290
52 297
53 307
54 322
55 323
56 342
57 361
58 363
59 366
60 375
61 377
62 385
63 388
64 396
65 411

List of values

[2, 3, 5, 10, 11, 12, 16, 20, 21, 22, 33, 37, 38, 43, 47, 48, 55, 71, 75, 76, 80, 81, 111, 121, 126, 131, 133, 135, 136, 141, 155, 157, 158, 165, 176, 177, 180, 203, 223, 242, 245, 251, 253, 256, 257, 258, 265, 268, 276, 286, 290, 297, 307, 322, 323, 342, 361, 363, 366, 375, 377, 385, 388, 396, 411]

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

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