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.

A359589 Dirichlet inverse of function f(n) = (-1 + gcd(A003415(n), A276086(n))), where A003415 is the arithmetic derivative and A276086 is the primorial base exp-function.

Table of values

n a(n)
1 1
2 0
3 0
4 0
5 0
6 -4
7 0
8 -2
9 -5
10 0
11 0
12 0
13 0
14 -2
15 -1
16 0
17 0
18 0
19 0
20 -2
21 -9
22 0
23 0
24 0
25 -9
26 -14
27 -2
28 0
29 0
30 0
31 0
32 0
33 -13
34 0
35 -5
36 12
37 0
38 -20
39 -1
40 0
41 0
42 0
43 0
44 -2
45 -2
46 -24
47 0
48 10
49 -13
50 -14
51 -9
52 -6
53 0
54 40
55 -1
56 0
57 -1
58 0
59 0
60 0
61 0
62 -2
63 -2
64 2
65 -17
66 0
67 0
68 -2
69 -1
70 0
71 0
72 20
73 0
74 -2
75 -4
76 -4
77 -17
78 0
79 0
80 0
81 20
82 0
83 0
84 16
85 -1
86 -14
87 -1
88 -34

List of values

[1, 0, 0, 0, 0, -4, 0, -2, -5, 0, 0, 0, 0, -2, -1, 0, 0, 0, 0, -2, -9, 0, 0, 0, -9, -14, -2, 0, 0, 0, 0, 0, -13, 0, -5, 12, 0, -20, -1, 0, 0, 0, 0, -2, -2, -24, 0, 10, -13, -14, -9, -6, 0, 40, -1, 0, -1, 0, 0, 0, 0, -2, -2, 2, -17, 0, 0, -2, -1, 0, 0, 20, 0, -2, -4, -4, -17, 0, 0, 0, 20, 0, 0, 16, -1, -14, -1, -34]