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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.

A342488 a(n) = Sum_{d|n} phi(d)^(n/d+1).

Table of values

n a(n)
1 1
2 2
3 5
4 6
5 17
6 14
7 37
8 26
9 53
10 82
11 101
12 74
13 145
14 254
15 385
16 162
17 257
18 398
19 325
20 1218
21 1697
22 1102
23 485
24 1058
25 4497
26 1874
27 2645
28 8394
29 785
30 19330
31 901
32 2306
33 14497
34 4354
35 112769
36 17738
37 1297
38 6158
39 37697
40 270082
41 1601
42 316130
43 1765
44 105498
45 1165441
46 11134
47 2117
48 162050
49 1681381

List of values

[1, 2, 5, 6, 17, 14, 37, 26, 53, 82, 101, 74, 145, 254, 385, 162, 257, 398, 325, 1218, 1697, 1102, 485, 1058, 4497, 1874, 2645, 8394, 785, 19330, 901, 2306, 14497, 4354, 112769, 17738, 1297, 6158, 37697, 270082, 1601, 316130, 1765, 105498, 1165441, 11134, 2117, 162050, 1681381]

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

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