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.

A158338 Composite numbers k such that k - number of divisors of k = prime.

Table of values

n a(n)
1 6
2 15
3 16
4 21
5 27
6 33
7 35
8 51
9 57
10 65
11 77
12 87
13 93
14 105
15 111
16 135
17 141
18 143
19 155
20 161
21 165
22 177
23 183
24 185
25 189
26 201
27 203
28 215
29 231
30 237
31 245
32 267
33 275
34 285
35 287
36 321
37 335
38 341
39 345
40 357
41 371
42 375
43 377
44 393
45 413
46 425
47 429
48 437
49 447
50 453
51 465
52 471

List of values

[6, 15, 16, 21, 27, 33, 35, 51, 57, 65, 77, 87, 93, 105, 111, 135, 141, 143, 155, 161, 165, 177, 183, 185, 189, 201, 203, 215, 231, 237, 245, 267, 275, 285, 287, 321, 335, 341, 345, 357, 371, 375, 377, 393, 413, 425, 429, 437, 447, 453, 465, 471]