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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.

A371418 The largest aliquot divisor of the sum of divisors of n; a(1) = 1.

Table of values

n a(n)
1 1
2 1
3 2
4 1
5 3
6 6
7 4
8 5
9 1
10 9
11 6
12 14
13 7
14 12
15 12
16 1
17 9
18 13
19 10
20 21
21 16
22 18
23 12
24 30
25 1
26 21
27 20
28 28
29 15
30 36
31 16
32 21
33 24
34 27
35 24
36 13
37 19
38 30
39 28
40 45
41 21
42 48
43 22
44 42
45 39
46 36
47 24
48 62
49 19
50 31
51 36
52 49
53 27
54 60
55 36
56 60
57 40
58 45
59 30
60 84
61 31
62 48
63 52
64 1
65 42
66 72
67 34
68 63
69 48
70 72

List of values

[1, 1, 2, 1, 3, 6, 4, 5, 1, 9, 6, 14, 7, 12, 12, 1, 9, 13, 10, 21, 16, 18, 12, 30, 1, 21, 20, 28, 15, 36, 16, 21, 24, 27, 24, 13, 19, 30, 28, 45, 21, 48, 22, 42, 39, 36, 24, 62, 19, 31, 36, 49, 27, 60, 36, 60, 40, 45, 30, 84, 31, 48, 52, 1, 42, 72, 34, 63, 48, 72]

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

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