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.

A082686 Odd nonprime integers n which have an odd number of proper divisors.

Table of values

n a(n)
1 15
2 21
3 27
4 33
5 35
6 39
7 45
8 51
9 55
10 57
11 63
12 65
13 69
14 75
15 77
16 85
17 87
18 91
19 93
20 95
21 99
22 105
23 111
24 115
25 117
26 119
27 123
28 125
29 129
30 133
31 135
32 141
33 143
34 145
35 147
36 153
37 155
38 159
39 161
40 165
41 171
42 175
43 177
44 183
45 185
46 187
47 189
48 195
49 201
50 203
51 205
52 207
53 209
54 213
55 215
56 217
57 219

List of values

[15, 21, 27, 33, 35, 39, 45, 51, 55, 57, 63, 65, 69, 75, 77, 85, 87, 91, 93, 95, 99, 105, 111, 115, 117, 119, 123, 125, 129, 133, 135, 141, 143, 145, 147, 153, 155, 159, 161, 165, 171, 175, 177, 183, 185, 187, 189, 195, 201, 203, 205, 207, 209, 213, 215, 217, 219]