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.

A068328 Arithmetic derivatives of the squarefree numbers.

Table of values

n a(n)
1 0
2 1
3 1
4 1
5 5
6 1
7 7
8 1
9 1
10 9
11 8
12 1
13 1
14 10
15 13
16 1
17 15
18 1
19 31
20 1
21 14
22 19
23 12
24 1
25 21
26 16
27 1
28 41
29 1
30 25
31 1
32 20
33 1
34 16
35 22
36 31
37 1
38 1
39 33
40 18
41 61
42 1
43 26
44 59
45 1
46 1
47 39
48 18
49 71
50 1
51 43
52 1
53 22
54 45
55 32
56 1
57 20
58 34
59 49
60 24
61 1
62 1
63 91
64 1
65 71
66 55
67 1
68 1
69 87
70 40
71 1
72 101
73 28
74 61
75 24
76 63
77 44
78 1
79 46

List of values

[0, 1, 1, 1, 5, 1, 7, 1, 1, 9, 8, 1, 1, 10, 13, 1, 15, 1, 31, 1, 14, 19, 12, 1, 21, 16, 1, 41, 1, 25, 1, 20, 1, 16, 22, 31, 1, 1, 33, 18, 61, 1, 26, 59, 1, 1, 39, 18, 71, 1, 43, 1, 22, 45, 32, 1, 20, 34, 49, 24, 1, 1, 91, 1, 71, 55, 1, 1, 87, 40, 1, 101, 28, 61, 24, 63, 44, 1, 46]