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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.

A366643 a(n) is the number of divisors of n that are coprime to the terms of A366642.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 2
8 1
9 1
10 1
11 2
12 1
13 2
14 2
15 1
16 1
17 2
18 1
19 2
20 1
21 2
22 2
23 2
24 1
25 1
26 2
27 1
28 2
29 2
30 1
31 2
32 1
33 2
34 2
35 2
36 1
37 2
38 2
39 2
40 1
41 2
42 2
43 2
44 2
45 1
46 2
47 2
48 1
49 3
50 1
51 2
52 2
53 2
54 1
55 2
56 2
57 2
58 2
59 2
60 1
61 2
62 2
63 2
64 1
65 2
66 2
67 2
68 2
69 2
70 2
71 2
72 1
73 2
74 2
75 1
76 2
77 4
78 2
79 2
80 1
81 1
82 2
83 2
84 2
85 2
86 2
87 2

List of values

[1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 2, 2, 1, 1, 2, 1, 2, 1, 2, 2, 2, 1, 1, 2, 1, 2, 2, 1, 2, 1, 2, 2, 2, 1, 2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 1, 3, 1, 2, 2, 2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 1, 2, 4, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2]

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

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