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.

A328234 Numbers whose arithmetic derivative (A003415) is a squarefree number (A005117) > 1.

Table of values

n a(n)
1 6
2 9
3 10
4 18
5 21
6 22
7 25
8 26
9 30
10 33
11 34
12 38
13 42
14 45
15 49
16 57
17 58
18 62
19 63
20 66
21 69
22 70
23 74
24 75
25 78
26 82
27 85
28 90
29 93
30 98
31 102
32 105
33 106
34 110
35 114
36 117
37 118
38 121
39 126
40 129
41 130
42 133
43 134
44 142
45 145
46 147
47 150
48 153
49 154
50 161
51 165
52 166
53 169
54 170
55 171
56 174
57 175
58 177
59 178
60 182
61 185
62 186
63 190
64 195
65 198
66 201
67 202
68 205
69 206
70 209
71 210
72 213

List of values

[6, 9, 10, 18, 21, 22, 25, 26, 30, 33, 34, 38, 42, 45, 49, 57, 58, 62, 63, 66, 69, 70, 74, 75, 78, 82, 85, 90, 93, 98, 102, 105, 106, 110, 114, 117, 118, 121, 126, 129, 130, 133, 134, 142, 145, 147, 150, 153, 154, 161, 165, 166, 169, 170, 171, 174, 175, 177, 178, 182, 185, 186, 190, 195, 198, 201, 202, 205, 206, 209, 210, 213]