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.

A048849 a(n) = prime(phi(n)) + phi(prime(n)).

Table of values

n a(n)
1 3
2 4
3 7
4 9
5 17
6 15
7 29
8 25
9 35
10 35
11 59
12 43
13 77
14 55
15 65
16 71
17 111
18 73
19 127
20 89
21 109
22 107
23 161
24 107
25 167
26 137
27 163
28 143
29 215
30 131
31 239
32 183
33 207
34 191
35 237
36 187
37 307
38 223
39 255
40 225
41 351
42 217
43 371
44 263
45 285
46 277
47 409
48 275
49 407
50 299
51 363
52 327
53 479
54 311
55 429
56 351
57 419

List of values

[3, 4, 7, 9, 17, 15, 29, 25, 35, 35, 59, 43, 77, 55, 65, 71, 111, 73, 127, 89, 109, 107, 161, 107, 167, 137, 163, 143, 215, 131, 239, 183, 207, 191, 237, 187, 307, 223, 255, 225, 351, 217, 371, 263, 285, 277, 409, 275, 407, 299, 363, 327, 479, 311, 429, 351, 419]