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.

A324340 a(n) = A046692(A005940(1+n)), where A005940 is the Doudna sequence and A046692 is the Dirichlet inverse of sigma function.

Table of values

n a(n)
0 1
1 -3
2 -4
3 2
4 -6
5 12
6 3
7 0
8 -8
9 18
10 24
11 -8
12 5
13 -9
14 0
15 0
16 -12
17 24
18 32
19 -12
20 48
21 -72
22 -18
23 0
24 7
25 -15
26 -20
27 6
28 0
29 0
30 0
31 0
32 -14
33 36
34 48
35 -16
36 72
37 -96
38 -24
39 0
40 96
41 -144
42 -192
43 48
44 -40
45 54
46 0
47 0
48 11
49 -21
50 -28
51 10
52 -42
53 60
54 15
55 0
56 0
57 0
58 0
59 0
60 0
61 0
62 0
63 0
64 -18
65 42
66 56
67 -24
68 84
69 -144
70 -36
71 0
72 112
73 -216
74 -288
75 64
76 -60
77 72
78 0
79 0
80 168
81 -288
82 -384
83 96
84 -576
85 576
86 144
87 0

List of values

[1, -3, -4, 2, -6, 12, 3, 0, -8, 18, 24, -8, 5, -9, 0, 0, -12, 24, 32, -12, 48, -72, -18, 0, 7, -15, -20, 6, 0, 0, 0, 0, -14, 36, 48, -16, 72, -96, -24, 0, 96, -144, -192, 48, -40, 54, 0, 0, 11, -21, -28, 10, -42, 60, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, -18, 42, 56, -24, 84, -144, -36, 0, 112, -216, -288, 64, -60, 72, 0, 0, 168, -288, -384, 96, -576, 576, 144, 0]