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.

A223456 Composite numbers whose number of proper divisors has a prime number of proper divisors.

Table of values

n a(n)
1 16
2 36
3 48
4 64
5 80
6 81
7 100
8 112
9 120
10 144
11 162
12 168
13 176
14 196
15 208
16 210
17 216
18 225
19 256
20 264
21 270
22 272
23 280
24 304
25 312
26 324
27 330
28 368
29 378
30 384
31 390
32 400
33 405
34 408
35 440
36 441
37 456
38 462
39 464
40 484
41 496
42 510
43 512
44 520
45 546
46 552
47 567
48 570
49 576
50 592
51 594
52 616
53 625

List of values

[16, 36, 48, 64, 80, 81, 100, 112, 120, 144, 162, 168, 176, 196, 208, 210, 216, 225, 256, 264, 270, 272, 280, 304, 312, 324, 330, 368, 378, 384, 390, 400, 405, 408, 440, 441, 456, 462, 464, 484, 496, 510, 512, 520, 546, 552, 567, 570, 576, 592, 594, 616, 625]