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.

A378229 Dirichlet inverse of A341529, where A341529(n) = sigma(n) * A003961(n), and A003961 is fully multiplicative with a(prime(i)) = prime(i+1).

Table of values

n a(n)
1 1
2 -9
3 -20
4 18
5 -42
6 180
7 -88
8 0
9 75
10 378
11 -156
12 -360
13 -238
14 792
15 840
16 0
17 -342
18 -675
19 -460
20 -756
21 1760
22 1404
23 -696
24 0
25 245
26 2142
27 0
28 -1584
29 -930
30 -7560
31 -1184
32 0
33 3120
34 3078
35 3696
36 1350
37 -1558
38 4140
39 4760
40 0
41 -1806
42 -15840
43 -2068
44 -2808
45 -3150
46 6264
47 -2544
48 0
49 847
50 -2205
51 6840
52 -4284
53 -3186
54 0
55 6552
56 0
57 9200
58 8370

List of values

[1, -9, -20, 18, -42, 180, -88, 0, 75, 378, -156, -360, -238, 792, 840, 0, -342, -675, -460, -756, 1760, 1404, -696, 0, 245, 2142, 0, -1584, -930, -7560, -1184, 0, 3120, 3078, 3696, 1350, -1558, 4140, 4760, 0, -1806, -15840, -2068, -2808, -3150, 6264, -2544, 0, 847, -2205, 6840, -4284, -3186, 0, 6552, 0, 9200, 8370]