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.

A328244 Numbers whose second arithmetic derivative (A068346) is a squarefree number (A005117).

Table of values

n a(n)
1 6
2 9
3 10
4 14
5 18
6 21
7 22
8 25
9 30
10 34
11 38
12 42
13 46
14 50
15 57
16 58
17 62
18 65
19 66
20 69
21 70
22 77
23 78
24 82
25 85
26 86
27 93
28 94
29 99
30 105
31 114
32 118
33 121
34 122
35 125
36 126
37 130
38 133
39 134
40 138
41 142
42 145
43 146
44 150
45 154
46 161
47 165
48 166
49 169
50 170
51 174
52 177
53 182
54 185
55 186
56 198
57 201
58 202
59 206
60 207
61 209
62 213
63 214
64 217
65 221
66 222
67 230
68 231
69 237
70 238
71 242
72 246
73 253
74 254
75 255

List of values

[6, 9, 10, 14, 18, 21, 22, 25, 30, 34, 38, 42, 46, 50, 57, 58, 62, 65, 66, 69, 70, 77, 78, 82, 85, 86, 93, 94, 99, 105, 114, 118, 121, 122, 125, 126, 130, 133, 134, 138, 142, 145, 146, 150, 154, 161, 165, 166, 169, 170, 174, 177, 182, 185, 186, 198, 201, 202, 206, 207, 209, 213, 214, 217, 221, 222, 230, 231, 237, 238, 242, 246, 253, 254, 255]