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.

A333169 a(n) = phi(n^2 + 1), where phi is the Euler totient function (A000010).

Table of values

n a(n)
0 1
1 1
2 4
3 4
4 16
5 12
6 36
7 20
8 48
9 40
10 100
11 60
12 112
13 64
14 196
15 112
16 256
17 112
18 240
19 180
20 400
21 192
22 384
23 208
24 576
25 312
26 676
27 288
28 624
29 420
30 832
31 432
32 800
33 432
34 1056
35 612
36 1296
37 544
38 1088
39 760
40 1600
41 812
42 1408
43 720
44 1776
45 1012
46 2016
47 768
48 1840
49 1200
50 2400
51 1300
52 2160

List of values

[1, 1, 4, 4, 16, 12, 36, 20, 48, 40, 100, 60, 112, 64, 196, 112, 256, 112, 240, 180, 400, 192, 384, 208, 576, 312, 676, 288, 624, 420, 832, 432, 800, 432, 1056, 612, 1296, 544, 1088, 760, 1600, 812, 1408, 720, 1776, 1012, 2016, 768, 1840, 1200, 2400, 1300, 2160]