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.

A049199 Nonsquarefree numbers whose Euler totient function is also nonsquarefree.

Table of values

n a(n)
1 8
2 12
3 16
4 20
5 24
6 25
7 27
8 28
9 32
10 36
11 40
12 44
13 45
14 48
15 50
16 52
17 54
18 56
19 60
20 63
21 64
22 68
23 72
24 75
25 76
26 80
27 81
28 84
29 88
30 90
31 92
32 96
33 99
34 100
35 104
36 108
37 112
38 116
39 117
40 120
41 124
42 125
43 126
44 128
45 132
46 135
47 136
48 140
49 144
50 147
51 148
52 150
53 152
54 153
55 156
56 160
57 162
58 164
59 168
60 169

List of values

[8, 12, 16, 20, 24, 25, 27, 28, 32, 36, 40, 44, 45, 48, 50, 52, 54, 56, 60, 63, 64, 68, 72, 75, 76, 80, 81, 84, 88, 90, 92, 96, 99, 100, 104, 108, 112, 116, 117, 120, 124, 125, 126, 128, 132, 135, 136, 140, 144, 147, 148, 150, 152, 153, 156, 160, 162, 164, 168, 169]

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

Content is available under The OEIS End-User License Agreement.