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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.

A306198 Multiplicative with a(p^e) = p^(e-1)*(p^2 - p - 1).

Table of values

n a(n)
1 1
2 1
3 5
4 2
5 19
6 5
7 41
8 4
9 15
10 19
11 109
12 10
13 155
14 41
15 95
16 8
17 271
18 15
19 341
20 38
21 205
22 109
23 505
24 20
25 95
26 155
27 45
28 82
29 811
30 95
31 929
32 16
33 545
34 271
35 779
36 30
37 1331
38 341
39 775
40 76
41 1639
42 205
43 1805
44 218
45 285
46 505
47 2161
48 40
49 287
50 95
51 1355
52 310
53 2755
54 45
55 2071
56 164
57 1705
58 811

List of values

[1, 1, 5, 2, 19, 5, 41, 4, 15, 19, 109, 10, 155, 41, 95, 8, 271, 15, 341, 38, 205, 109, 505, 20, 95, 155, 45, 82, 811, 95, 929, 16, 545, 271, 779, 30, 1331, 341, 775, 76, 1639, 205, 1805, 218, 285, 505, 2161, 40, 287, 95, 1355, 310, 2755, 45, 2071, 164, 1705, 811]