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.

A308339 Sphenic number indices of A215217.

Table of values

n a(n)
1 21
2 30
3 49
4 51
5 75
6 82
7 96
8 106
9 120
10 130
11 133
12 136
13 141
14 148
15 152
16 157
17 161
18 173
19 177
20 180
21 186
22 187
23 189
24 202
25 207
26 209
27 213
28 217
29 221
30 226
31 236
32 240
33 242
34 244
35 248
36 261
37 264
38 277
39 285
40 286
41 294
42 305
43 306
44 311
45 317
46 320
47 322
48 327
49 333
50 349
51 355
52 364
53 368

List of values

[21, 30, 49, 51, 75, 82, 96, 106, 120, 130, 133, 136, 141, 148, 152, 157, 161, 173, 177, 180, 186, 187, 189, 202, 207, 209, 213, 217, 221, 226, 236, 240, 242, 244, 248, 261, 264, 277, 285, 286, 294, 305, 306, 311, 317, 320, 322, 327, 333, 349, 355, 364, 368]