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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.

A072778 Number of powers of squarefree numbers <= n.

Table of values

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

List of values

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 11, 12, 13, 14, 15, 16, 16, 17, 17, 18, 19, 20, 20, 21, 22, 23, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 34, 35, 36, 37, 37, 37, 38, 39, 39, 40, 40, 41, 41, 42, 42, 43, 43, 44, 45, 46, 46, 47, 48, 48, 49, 50, 51, 52, 52, 53, 54, 55, 55]

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

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