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.

A118700 Odd n such that 2*phi(n) < n, but there does not exist an even k < n with phi(k) = phi(n).

Table of values

n a(n)
1 9075
2 11985
3 19965
4 21165
5 22515
6 22815
7 34935
8 35445
9 44505
10 45315
11 59415
12 67431
13 67545
14 108927
15 135945
16 143451
17 180999
18 286425
19 295659
20 359499
21 360315
22 372945
23 449445
24 463845
25 521157
26 563295
27 576045
28 606879
29 607905
30 684411
31 736695
32 753225
33 762105
34 780549
35 800565

List of values

[9075, 11985, 19965, 21165, 22515, 22815, 34935, 35445, 44505, 45315, 59415, 67431, 67545, 108927, 135945, 143451, 180999, 286425, 295659, 359499, 360315, 372945, 449445, 463845, 521157, 563295, 576045, 606879, 607905, 684411, 736695, 753225, 762105, 780549, 800565]