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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.

A070321 Greatest squarefree number <= n.

Table of values

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

List of values

[1, 2, 3, 3, 5, 6, 7, 7, 7, 10, 11, 11, 13, 14, 15, 15, 17, 17, 19, 19, 21, 22, 23, 23, 23, 26, 26, 26, 29, 30, 31, 31, 33, 34, 35, 35, 37, 38, 39, 39, 41, 42, 43, 43, 43, 46, 47, 47, 47, 47, 51, 51, 53, 53, 55, 55, 57, 58, 59, 59, 61, 62, 62, 62, 65, 66, 67, 67, 69, 70, 71, 71]

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

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