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.

A349437 Dirichlet convolution of A252463 with A055615 (Dirichlet inverse of n), where A252463 shifts the prime factorization of odd numbers one step towards smaller primes and divides even numbers by two.

Table of values

n a(n)
1 1
2 -1
3 -1
4 0
5 -2
6 2
7 -2
8 0
9 -2
10 4
11 -4
12 0
13 -2
14 4
15 2
16 0
17 -4
18 4
19 -2
20 0
21 2
22 8
23 -4
24 0
25 -6
26 4
27 -4
28 0
29 -6
30 -4
31 -2
32 0
33 4
34 8
35 4
36 0
37 -6
38 4
39 2
40 0
41 -4
42 -4
43 -2
44 0
45 4
46 8
47 -4
48 0
49 -10
50 12
51 4
52 0
53 -6
54 8
55 8
56 0
57 2
58 12
59 -6
60 0
61 -2
62 4
63 4
64 0
65 4
66 -8
67 -6
68 0
69 4
70 -8
71 -4
72 0
73 -2
74 12
75 6
76 0
77 8
78 -4
79 -6
80 0
81 -8
82 8
83 -4
84 0
85 8
86 4
87 6
88 0
89 -6
90 -8
91 4
92 0
93 2

List of values

[1, -1, -1, 0, -2, 2, -2, 0, -2, 4, -4, 0, -2, 4, 2, 0, -4, 4, -2, 0, 2, 8, -4, 0, -6, 4, -4, 0, -6, -4, -2, 0, 4, 8, 4, 0, -6, 4, 2, 0, -4, -4, -2, 0, 4, 8, -4, 0, -10, 12, 4, 0, -6, 8, 8, 0, 2, 12, -6, 0, -2, 4, 4, 0, 4, -8, -6, 0, 4, -8, -4, 0, -2, 12, 6, 0, 8, -4, -6, 0, -8, 8, -4, 0, 8, 4, 6, 0, -6, -8, 4, 0, 2]