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.

A330575 a(n) = n + Sum_{d|n and d a(d) for n>1; a(1) = 1.

Table of values

n a(n)
1 1
2 3
3 4
4 8
5 6
6 14
7 8
8 20
9 14
10 20
11 12
12 42
13 14
14 26
15 26
16 48
17 18
18 54
19 20
20 58
21 34
22 38
23 24
24 116
25 32
26 44
27 46
28 74
29 30
30 104
31 32
32 112
33 50
34 56
35 50
36 176
37 38
38 62
39 58
40 156
41 42
42 132
43 44
44 106
45 96
46 74
47 48
48 304
49 58
50 112
51 74
52 122
53 54
54 190
55 74
56 196
57 82
58 92
59 60
60 346
61 62
62 98
63 124
64 256
65 86

List of values

[1, 3, 4, 8, 6, 14, 8, 20, 14, 20, 12, 42, 14, 26, 26, 48, 18, 54, 20, 58, 34, 38, 24, 116, 32, 44, 46, 74, 30, 104, 32, 112, 50, 56, 50, 176, 38, 62, 58, 156, 42, 132, 44, 106, 96, 74, 48, 304, 58, 112, 74, 122, 54, 190, 74, 196, 82, 92, 60, 346, 62, 98, 124, 256, 86]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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