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.

A292714 Composite numbers k such that phi(x) = psi(k)*phi(k) has no solution.

Table of values

n a(n)
1 2197
2 4934
3 5386
4 7606
5 10774
6 11434
7 15212
8 15214
9 15634
10 16294
11 17146
12 18134
13 18374
14 18994
15 19466
16 20134
17 20362
18 23194
19 23451
20 24051
21 24874
22 25526
23 25934
24 26326
25 27411
26 27561
27 27994
28 28486
29 28561
30 30034
31 31334
32 31366
33 36748
34 37834
35 38074
36 40694
37 44054
38 46234
39 47494
40 49834

List of values

[2197, 4934, 5386, 7606, 10774, 11434, 15212, 15214, 15634, 16294, 17146, 18134, 18374, 18994, 19466, 20134, 20362, 23194, 23451, 24051, 24874, 25526, 25934, 26326, 27411, 27561, 27994, 28486, 28561, 30034, 31334, 31366, 36748, 37834, 38074, 40694, 44054, 46234, 47494, 49834]

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

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