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.

A197953 a(n) = 1 + Sum_{d|n, d>1} d * a(n/d).

Table of values

n a(n)
1 1
2 3
3 4
4 11
5 6
6 24
7 8
8 43
9 22
10 38
11 12
12 128
13 14
14 52
15 54
16 171
17 18
18 186
19 20
20 206
21 74
22 80
23 24
24 640
25 56
26 94
27 130
28 284
29 30
30 494
31 32
32 683
33 114
34 122
35 118
36 1226
37 38
38 136
39 134
40 1038
41 42
42 682
43 44
44 440
45 432
46 164
47 48
48 3072
49 106
50 488
51 174
52 518
53 54
54 1374
55 182
56 1436
57 194

List of values

[1, 3, 4, 11, 6, 24, 8, 43, 22, 38, 12, 128, 14, 52, 54, 171, 18, 186, 20, 206, 74, 80, 24, 640, 56, 94, 130, 284, 30, 494, 32, 683, 114, 122, 118, 1226, 38, 136, 134, 1038, 42, 682, 44, 440, 432, 164, 48, 3072, 106, 488, 174, 518, 54, 1374, 182, 1436, 194]