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.

A173745 Numbers n such that tau(phi(n)) = sigma(rad(n)).

Table of values

n a(n)
1 1
2 8
3 9
4 25
5 49
6 216
7 288
8 324
9 675
10 1125
11 1331
12 1458
13 1568
14 2000
15 2744
16 3200
17 3645
18 6125
19 6144
20 8575
21 9604
22 9801
23 14336
24 30976
25 31250
26 42592
27 46875
28 70304
29 72171
30 81000
31 108000
32 109375
33 123201
34 129600
35 131769
36 135000
37 145800
38 182250
39 184832

List of values

[1, 8, 9, 25, 49, 216, 288, 324, 675, 1125, 1331, 1458, 1568, 2000, 2744, 3200, 3645, 6125, 6144, 8575, 9604, 9801, 14336, 30976, 31250, 42592, 46875, 70304, 72171, 81000, 108000, 109375, 123201, 129600, 131769, 135000, 145800, 182250, 184832]