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.

A163378 a(n) = sigma(phi(tau(n))).

Table of values

n a(n)
1 1
2 1
3 1
4 3
5 1
6 3
7 1
8 3
9 3
10 3
11 1
12 3
13 1
14 3
15 3
16 7
17 1
18 3
19 1
20 3
21 3
22 3
23 1
24 7
25 3
26 3
27 3
28 3
29 1
30 7
31 1
32 3
33 3
34 3
35 3
36 12
37 1
38 3
39 3
40 7
41 1
42 7
43 1
44 3
45 3
46 3
47 1
48 7
49 3
50 3
51 3
52 3
53 1
54 7
55 3
56 7
57 3
58 3
59 1
60 7
61 1
62 3
63 3
64 12
65 3
66 7
67 1
68 3
69 3
70 7
71 1
72 7
73 1
74 3
75 3
76 3
77 3
78 7
79 1
80 7
81 7
82 3
83 1
84 7
85 3
86 3

List of values

[1, 1, 1, 3, 1, 3, 1, 3, 3, 3, 1, 3, 1, 3, 3, 7, 1, 3, 1, 3, 3, 3, 1, 7, 3, 3, 3, 3, 1, 7, 1, 3, 3, 3, 3, 12, 1, 3, 3, 7, 1, 7, 1, 3, 3, 3, 1, 7, 3, 3, 3, 3, 1, 7, 3, 7, 3, 3, 1, 7, 1, 3, 3, 12, 3, 7, 1, 3, 3, 7, 1, 7, 1, 3, 3, 3, 3, 7, 1, 7, 7, 3, 1, 7, 3, 3]