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.

A181660 Numbers at which the sum of the iterated totient function (A092693) attains a minimum.

Table of values

n a(n)
1 1
2 2
3 6
4 12
5 18
6 30
7 42
8 54
9 60
10 66
11 90
12 126
13 150
14 210
15 270
16 294
17 330
18 420
19 462
20 630
21 660
22 840
23 882
24 1050
25 1260
26 1470
27 1680
28 1890
29 2310
30 2730
31 2940
32 3150
33 3234
34 3570
35 3990
36 4410
37 4620
38 4830
39 5250
40 5460
41 5670
42 6090
43 6930
44 7350
45 8190
46 9030
47 9240
48 9450
49 9660

List of values

[1, 2, 6, 12, 18, 30, 42, 54, 60, 66, 90, 126, 150, 210, 270, 294, 330, 420, 462, 630, 660, 840, 882, 1050, 1260, 1470, 1680, 1890, 2310, 2730, 2940, 3150, 3234, 3570, 3990, 4410, 4620, 4830, 5250, 5460, 5670, 6090, 6930, 7350, 8190, 9030, 9240, 9450, 9660]