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.

A373057 Numbers k such that iphi(k) divides k, where iphi is the infinitary Euler phi function (A064380).

Table of values

n a(n)
1 2
2 6
3 8
4 10
5 60
6 70
7 120
8 128
9 136
10 9822
11 18632
12 32768
13 32896
14 36720
15 69726
16 73662
17 73686
18 73734
19 85962
20 86046
21 87114
22 87198
23 87222
24 87258
25 87294
26 87306
27 87342
28 87366
29 87546
30 87558
31 88014
32 88278
33 88302
34 88338
35 88386
36 127326
37 128046
38 128082
39 128382
40 128406
41 128598

List of values

[2, 6, 8, 10, 60, 70, 120, 128, 136, 9822, 18632, 32768, 32896, 36720, 69726, 73662, 73686, 73734, 85962, 86046, 87114, 87198, 87222, 87258, 87294, 87306, 87342, 87366, 87546, 87558, 88014, 88278, 88302, 88338, 88386, 127326, 128046, 128082, 128382, 128406, 128598]

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

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