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.

A323333 The Euler phi function values of the powerful numbers, A000010(A001694(n)).

Table of values

n a(n)
1 1
2 2
3 4
4 6
5 8
6 20
7 18
8 16
9 12
10 42
11 32
12 24
13 54
14 40
15 36
16 110
17 100
18 64
19 48
20 156
21 84
22 80
23 72
24 120
25 162
26 128
27 96
28 272
29 108
30 294
31 342
32 168
33 160
34 144
35 252
36 220
37 200
38 256
39 506
40 192
41 500
42 216
43 360
44 312
45 486
46 336
47 320
48 812
49 288
50 240
51 930
52 440
53 324
54 400
55 512
56 660
57 600

List of values

[1, 2, 4, 6, 8, 20, 18, 16, 12, 42, 32, 24, 54, 40, 36, 110, 100, 64, 48, 156, 84, 80, 72, 120, 162, 128, 96, 272, 108, 294, 342, 168, 160, 144, 252, 220, 200, 256, 506, 192, 500, 216, 360, 312, 486, 336, 320, 812, 288, 240, 930, 440, 324, 400, 512, 660, 600]