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.

A333698 G.f.: Sum_{k>=1} phi(k) * x^prime(k) / (1 - x^prime(k)).

Table of values

n a(n)
1 0
2 1
3 1
4 1
5 2
6 2
7 2
8 1
9 1
10 3
11 4
12 2
13 2
14 3
15 3
16 1
17 6
18 2
19 4
20 3
21 3
22 5
23 6
24 2
25 2
26 3
27 1
28 3
29 4
30 4
31 10
32 1
33 5
34 7
35 4
36 2
37 4
38 5
39 3
40 3
41 12
42 4
43 6
44 5
45 3
46 7
47 8
48 2
49 2
50 3
51 7
52 3
53 8
54 2
55 6
56 3
57 5
58 5
59 16
60 4
61 6
62 11
63 3
64 1
65 4
66 6
67 18
68 7
69 7
70 5
71 8
72 2
73 12
74 5
75 3
76 5
77 6
78 4
79 10
80 3
81 1
82 13
83 22
84 4
85 8

List of values

[0, 1, 1, 1, 2, 2, 2, 1, 1, 3, 4, 2, 2, 3, 3, 1, 6, 2, 4, 3, 3, 5, 6, 2, 2, 3, 1, 3, 4, 4, 10, 1, 5, 7, 4, 2, 4, 5, 3, 3, 12, 4, 6, 5, 3, 7, 8, 2, 2, 3, 7, 3, 8, 2, 6, 3, 5, 5, 16, 4, 6, 11, 3, 1, 4, 6, 18, 7, 7, 5, 8, 2, 12, 5, 3, 5, 6, 4, 10, 3, 1, 13, 22, 4, 8]