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.

A283052 Numbers k such that uphi(k)/phi(k) > uphi(m)/phi(m) for all m < k, where phi(k) is the Euler totient function (A000010) and uphi(k) is the unitary totient function (A047994).

Table of values

n a(n)
1 1
2 4
3 8
4 16
5 32
6 36
7 72
8 144
9 216
10 288
11 432
12 864
13 1728
14 2592
15 3600
16 5400
17 7200
18 10800
19 21600
20 43200
21 64800
22 108000
23 129600
24 216000
25 259200
26 324000
27 529200
28 1058400
29 2116800
30 3175200
31 5292000
32 6350400
33 10584000
34 12700800
35 15876000
36 31752000
37 63504000
38 95256000

List of values

[1, 4, 8, 16, 32, 36, 72, 144, 216, 288, 432, 864, 1728, 2592, 3600, 5400, 7200, 10800, 21600, 43200, 64800, 108000, 129600, 216000, 259200, 324000, 529200, 1058400, 2116800, 3175200, 5292000, 6350400, 10584000, 12700800, 15876000, 31752000, 63504000, 95256000]