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.

A050384 Nonprimes such that n and phi(n) are relatively prime.

Table of values

n a(n)
1 1
2 15
3 33
4 35
5 51
6 65
7 69
8 77
9 85
10 87
11 91
12 95
13 115
14 119
15 123
16 133
17 141
18 143
19 145
20 159
21 161
22 177
23 185
24 187
25 209
26 213
27 215
28 217
29 221
30 235
31 247
32 249
33 255
34 259
35 265
36 267
37 287
38 295
39 299
40 303
41 319
42 321
43 323
44 329
45 335
46 339
47 341
48 345
49 365
50 371
51 377
52 391
53 393
54 395
55 403

List of values

[1, 15, 33, 35, 51, 65, 69, 77, 85, 87, 91, 95, 115, 119, 123, 133, 141, 143, 145, 159, 161, 177, 185, 187, 209, 213, 215, 217, 221, 235, 247, 249, 255, 259, 265, 267, 287, 295, 299, 303, 319, 321, 323, 329, 335, 339, 341, 345, 365, 371, 377, 391, 393, 395, 403]