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.

A067143 Numbers n such that phi(n+1) = 3*phi(n).

Table of values

n a(n)
1 6
2 12
3 18
4 36
5 72
6 90
7 96
8 108
9 162
10 192
11 432
12 486
13 576
14 702
15 768
16 792
17 924
18 1152
19 1296
20 1458
21 2592
22 2916
23 3456
24 3888
25 4698
26 5550
27 6696
28 7998
29 8700
30 10368
31 10590
32 11802
33 12288
34 16470
35 17496
36 18432
37 33250
38 39366
39 52488
40 56790
41 79248
42 124356

List of values

[6, 12, 18, 36, 72, 90, 96, 108, 162, 192, 432, 486, 576, 702, 768, 792, 924, 1152, 1296, 1458, 2592, 2916, 3456, 3888, 4698, 5550, 6696, 7998, 8700, 10368, 10590, 11802, 12288, 16470, 17496, 18432, 33250, 39366, 52488, 56790, 79248, 124356]