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.

A345371 Number of squarefree divisors of n whose square does not divide n.

Table of values

n a(n)
1 0
2 1
3 1
4 0
5 1
6 3
7 1
8 0
9 0
10 3
11 1
12 2
13 1
14 3
15 3
16 0
17 1
18 2
19 1
20 2
21 3
22 3
23 1
24 2
25 0
26 3
27 0
28 2
29 1
30 7
31 1
32 0
33 3
34 3
35 3
36 0
37 1
38 3
39 3
40 2
41 1
42 7
43 1
44 2
45 2
46 3
47 1
48 2
49 0
50 2
51 3
52 2
53 1
54 2
55 3
56 2
57 3
58 3
59 1
60 6
61 1
62 3
63 2
64 0
65 3
66 7
67 1
68 2
69 3
70 7
71 1
72 0
73 1
74 3
75 2
76 2
77 3
78 7
79 1
80 2
81 0
82 3
83 1
84 6
85 3
86 3
87 3
88 2
89 1
90 6
91 3
92 2
93 3

List of values

[0, 1, 1, 0, 1, 3, 1, 0, 0, 3, 1, 2, 1, 3, 3, 0, 1, 2, 1, 2, 3, 3, 1, 2, 0, 3, 0, 2, 1, 7, 1, 0, 3, 3, 3, 0, 1, 3, 3, 2, 1, 7, 1, 2, 2, 3, 1, 2, 0, 2, 3, 2, 1, 2, 3, 2, 3, 3, 1, 6, 1, 3, 2, 0, 3, 7, 1, 2, 3, 7, 1, 0, 1, 3, 2, 2, 3, 7, 1, 2, 0, 3, 1, 6, 3, 3, 3, 2, 1, 6, 3, 2, 3]