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.

A342541 a(n) = Sum_{k=1..n} phi(gcd(k, n))^(n/gcd(k, n)).

Table of values

n a(n)
1 1
2 2
3 4
4 5
5 8
6 10
7 12
8 14
9 28
10 28
11 20
12 62
13 24
14 54
15 272
16 68
17 32
18 198
19 36
20 676
21 1224
22 130
23 44
24 1348
25 4136
26 180
27 3540
28 3426
29 56
30 12632
31 60
32 1640
33 22520
34 304
35 129456
36 22370
37 72
38 378
39 101808
40 270952
41 80
42 192996
43 84
44 40630
45 1867184
46 550
47 92
48 551528
49 1679700
50 4198860
51 2105408

List of values

[1, 2, 4, 5, 8, 10, 12, 14, 28, 28, 20, 62, 24, 54, 272, 68, 32, 198, 36, 676, 1224, 130, 44, 1348, 4136, 180, 3540, 3426, 56, 12632, 60, 1640, 22520, 304, 129456, 22370, 72, 378, 101808, 270952, 80, 192996, 84, 40630, 1867184, 550, 92, 551528, 1679700, 4198860, 2105408]