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.

A349382 Dirichlet convolution of A064989 with A346234 (Dirichlet inverse of A003961), where A003961 and A064989 are fully multiplicative sequences that shift the prime factorization of n one step towards larger and smaller primes respectively.

Table of values

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

List of values

[1, -2, -3, -2, -4, 6, -6, -2, -6, 8, -6, 6, -6, 12, 12, -2, -6, 12, -6, 8, 18, 12, -10, 6, -12, 12, -12, 12, -8, -24, -8, -2, 18, 12, 24, 12, -10, 12, 18, 8, -6, -36, -6, 12, 24, 20, -10, 6, -30, 24, 18, 12, -12, 24, 24, 12, 18, 16, -8, -24, -8, 16, 36, -2, 24, -36, -10, 12, 30, -48, -6, 12, -8, 20, 36, 12, 36, -36]