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.

A276466 a(n) = numerator of Sum_{d|n} 0.d.

Table of values

n a(n)
1 1
2 3
3 2
4 7
5 3
6 6
7 4
8 3
9 13
10 9
11 21
12 43
13 23
14 57
15 21
16 83
17 27
18 57
19 29
20 3
21 131
22 63
23 33
24 69
25 17
26 69
27 157
28 91
29 39
30 9
31 41
32 99
33 21
34 81
35 33
36 79
37 47
38 87
39 23
40 27
41 51
42 267
43 53
44 147
45 12
46 99
47 57
48 17
49 129
50 33
51 27
52 161
53 63
54 309
55 63
56 159
57 29
58 117
59 69
60 357
61 71
62 123
63 71
64 131
65 69

List of values

[1, 3, 2, 7, 3, 6, 4, 3, 13, 9, 21, 43, 23, 57, 21, 83, 27, 57, 29, 3, 131, 63, 33, 69, 17, 69, 157, 91, 39, 9, 41, 99, 21, 81, 33, 79, 47, 87, 23, 27, 51, 267, 53, 147, 12, 99, 57, 17, 129, 33, 27, 161, 63, 309, 63, 159, 29, 117, 69, 357, 71, 123, 71, 131, 69]