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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.

A359791 Dirichlet inverse of function f(n) = 1 + A349905(n), where A349905(n) is the arithmetic derivative of prime shifted n.

Table of values

n a(n)
1 1
2 -2
3 -2
4 -3
5 -2
6 -1
7 -2
8 -8
9 -7
10 -3
11 -2
12 0
13 -2
14 -7
15 -5
16 -16
17 -2
18 0
19 -2
20 -4
21 -9
22 -9
23 -2
24 23
25 -11
26 -13
27 -40
28 -12
29 -2
30 12
31 -2
32 -16
33 -11
34 -15
35 -11
36 42
37 -2
38 -19
39 -15
40 21
41 -2
42 12
43 -2
44 -16
45 -24
46 -25
47 -2
48 128
49 -19
50 -12
51 -17
52 -24
53 -2
54 67
55 -13
56 17
57 -21
58 -27
59 -2
60 105
61 -2
62 -33
63 -48
64 48
65 -17
66 12
67 -2
68 -28
69 -27
70 0
71 -2
72 224

List of values

[1, -2, -2, -3, -2, -1, -2, -8, -7, -3, -2, 0, -2, -7, -5, -16, -2, 0, -2, -4, -9, -9, -2, 23, -11, -13, -40, -12, -2, 12, -2, -16, -11, -15, -11, 42, -2, -19, -15, 21, -2, 12, -2, -16, -24, -25, -2, 128, -19, -12, -17, -24, -2, 67, -13, 17, -21, -27, -2, 105, -2, -33, -48, 48, -17, 12, -2, -28, -27, 0, -2, 224]