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.

A063753 Numbers k such that cototient(k) is a square and sets a new record for squares.

Table of values

n a(n)
1 2
2 6
3 21
4 24
5 54
6 96
7 189
8 216
9 345
10 384
11 420
12 796
13 864
14 1332
15 1536
16 1680
17 2340
18 3300
19 3780
20 5328
21 6144
22 6516
23 6720
24 8260
25 8484
26 9360
27 10500
28 13200
29 14532
30 15120
31 18340
32 19476
33 20580
34 24576
35 26064
36 26628
37 26880
38 29700
39 33396
40 33936
41 34020

List of values

[2, 6, 21, 24, 54, 96, 189, 216, 345, 384, 420, 796, 864, 1332, 1536, 1680, 2340, 3300, 3780, 5328, 6144, 6516, 6720, 8260, 8484, 9360, 10500, 13200, 14532, 15120, 18340, 19476, 20580, 24576, 26064, 26628, 26880, 29700, 33396, 33936, 34020]