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.

A117203 Odd squarefree positive integers k such that (k-1)/2 is also squarefree.

Table of values

n a(n)
1 3
2 5
3 7
4 11
5 13
6 15
7 21
8 23
9 29
10 31
11 35
12 39
13 43
14 47
15 53
16 59
17 61
18 67
19 69
20 71
21 77
22 79
23 83
24 85
25 87
26 93
27 95
28 103
29 107
30 111
31 115
32 119
33 123
34 131
35 133
36 139
37 141
38 143
39 149
40 155
41 157
42 159
43 165
44 167
45 173
46 179
47 183
48 187
49 191
50 195
51 203
52 205
53 211
54 213
55 215
56 219
57 221
58 223
59 227

List of values

[3, 5, 7, 11, 13, 15, 21, 23, 29, 31, 35, 39, 43, 47, 53, 59, 61, 67, 69, 71, 77, 79, 83, 85, 87, 93, 95, 103, 107, 111, 115, 119, 123, 131, 133, 139, 141, 143, 149, 155, 157, 159, 165, 167, 173, 179, 183, 187, 191, 195, 203, 205, 211, 213, 215, 219, 221, 223, 227]