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.

A179017 Odd numbers c such that c*(c^2 - 1)/4 is squarefree.

Table of values

n a(n)
1 3
2 5
3 11
4 13
5 21
6 29
7 43
8 59
9 61
10 67
11 69
12 77
13 83
14 85
15 93
16 115
17 123
18 131
19 133
20 139
21 141
22 155
23 157
24 165
25 173
26 187
27 203
28 205
29 211
30 213
31 219
32 221
33 227
34 229
35 237
36 259
37 267
38 277
39 283
40 285
41 291
42 309
43 317
44 331
45 347
46 355
47 357
48 365
49 371
50 373
51 381
52 389
53 403
54 411
55 419
56 421

List of values

[3, 5, 11, 13, 21, 29, 43, 59, 61, 67, 69, 77, 83, 85, 93, 115, 123, 131, 133, 139, 141, 155, 157, 165, 173, 187, 203, 205, 211, 213, 219, 221, 227, 229, 237, 259, 267, 277, 283, 285, 291, 309, 317, 331, 347, 355, 357, 365, 371, 373, 381, 389, 403, 411, 419, 421]