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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.

A275789 Least k such that sigma(n) divides Fibonacci(k) (k > 0).

Table of values

n a(n)
1 1
2 4
3 6
4 8
5 12
6 12
7 6
8 20
9 7
10 12
11 12
12 24
13 24
14 12
15 12
16 30
17 12
18 28
19 30
20 24
21 24
22 12
23 12
24 60
25 30
26 24
27 30
28 24
29 60
30 12
31 24
32 24
33 12
34 36
35 12
36 56
37 18
38 60
39 24
40 60
41 24
42 24
43 30
44 24
45 84
46 12
47 12
48 30
49 36
50 60
51 12
52 168
53 36
54 60
55 12
56 60
57 60
58 60
59 60
60 24
61 30
62 24
63 42
64 128
65 24
66 12
67 18
68 24
69 24
70 12
71 12

List of values

[1, 4, 6, 8, 12, 12, 6, 20, 7, 12, 12, 24, 24, 12, 12, 30, 12, 28, 30, 24, 24, 12, 12, 60, 30, 24, 30, 24, 60, 12, 24, 24, 12, 36, 12, 56, 18, 60, 24, 60, 24, 24, 30, 24, 84, 12, 12, 30, 36, 60, 12, 168, 36, 60, 12, 60, 60, 60, 60, 24, 30, 24, 42, 128, 24, 12, 18, 24, 24, 12, 12]

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

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