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.

A116035 Numbers k such that k + phi(k) + sigma(k) is a prime.

Table of values

n a(n)
1 1
2 4
3 15
4 33
5 35
6 36
7 50
8 55
9 57
10 64
11 65
12 75
13 77
14 85
15 87
16 93
17 98
18 115
19 119
20 129
21 133
22 143
23 155
24 159
25 185
26 187
27 189
28 205
29 213
30 215
31 217
32 219
33 242
34 243
35 247
36 253
37 265
38 287
39 295
40 303
41 309
42 323
43 324
44 327
45 339
46 345
47 365
48 385
49 393
50 395
51 407
52 425
53 427
54 453
55 469
56 493

List of values

[1, 4, 15, 33, 35, 36, 50, 55, 57, 64, 65, 75, 77, 85, 87, 93, 98, 115, 119, 129, 133, 143, 155, 159, 185, 187, 189, 205, 213, 215, 217, 219, 242, 243, 247, 253, 265, 287, 295, 303, 309, 323, 324, 327, 339, 345, 365, 385, 393, 395, 407, 425, 427, 453, 469, 493]