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.

A049225 Values of totient function applied to squarefree numbers; or numbers of form Product (p_i-1) where p_i are distinct primes.

Table of values

n a(n)
1 1
2 2
3 4
4 6
5 8
6 10
7 12
8 16
9 18
10 20
11 22
12 24
13 28
14 30
15 32
16 36
17 40
18 42
19 44
20 46
21 48
22 52
23 56
24 58
25 60
26 64
27 66
28 70
29 72
30 78
31 80
32 82
33 84
34 88
35 92
36 96
37 100
38 102
39 104
40 106
41 108
42 112
43 116
44 120
45 126
46 128
47 130
48 132
49 136
50 138
51 140
52 144
53 148
54 150
55 156
56 160
57 162
58 164
59 166
60 168
61 172
62 176

List of values

[1, 2, 4, 6, 8, 10, 12, 16, 18, 20, 22, 24, 28, 30, 32, 36, 40, 42, 44, 46, 48, 52, 56, 58, 60, 64, 66, 70, 72, 78, 80, 82, 84, 88, 92, 96, 100, 102, 104, 106, 108, 112, 116, 120, 126, 128, 130, 132, 136, 138, 140, 144, 148, 150, 156, 160, 162, 164, 166, 168, 172, 176]