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.

A387119 Numbers whose prime indices all have exactly 2 divisors in common.

Table of values

n a(n)
1 3
2 5
3 9
4 11
5 17
6 21
7 25
8 27
9 31
10 39
11 41
12 57
13 59
14 63
15 65
16 67
17 81
18 83
19 87
20 91
21 109
22 111
23 115
24 117
25 121
26 125
27 127
28 129
29 147
30 157
31 159
32 171
33 179
34 183
35 185
36 189
37 191
38 203
39 211
40 213
41 235
42 237
43 241
44 243
45 247
46 261
47 267
48 273
49 277
50 283
51 289
52 299
53 301
54 303
55 305
56 319
57 321

List of values

[3, 5, 9, 11, 17, 21, 25, 27, 31, 39, 41, 57, 59, 63, 65, 67, 81, 83, 87, 91, 109, 111, 115, 117, 121, 125, 127, 129, 147, 157, 159, 171, 179, 183, 185, 189, 191, 203, 211, 213, 235, 237, 241, 243, 247, 261, 267, 273, 277, 283, 289, 299, 301, 303, 305, 319, 321]