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.

A340852 Numbers that can be factored in such a way that every factor is a divisor of the number of factors.

Table of values

n a(n)
1 1
2 4
3 16
4 27
5 32
6 64
7 96
8 128
9 144
10 192
11 216
12 256
13 288
14 324
15 432
16 486
17 512
18 576
19 648
20 729
21 864
22 972
23 1024
24 1296
25 1458
26 1728
27 1944
28 2048
29 2560
30 2592
31 2916
32 3125
33 3888
34 4096
35 5120
36 5184
37 5832
38 6144
39 6400
40 7776
41 8192
42 9216
43 11664
44 12288
45 12800
46 13824
47 15552

List of values

[1, 4, 16, 27, 32, 64, 96, 128, 144, 192, 216, 256, 288, 324, 432, 486, 512, 576, 648, 729, 864, 972, 1024, 1296, 1458, 1728, 1944, 2048, 2560, 2592, 2916, 3125, 3888, 4096, 5120, 5184, 5832, 6144, 6400, 7776, 8192, 9216, 11664, 12288, 12800, 13824, 15552]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.