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.

A378033 Greatest nonsquarefree number <= n, or 1 if there is none (the case n <= 3).

Table of values

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

List of values

[1, 1, 1, 4, 4, 4, 4, 8, 9, 9, 9, 12, 12, 12, 12, 16, 16, 18, 18, 20, 20, 20, 20, 24, 25, 25, 27, 28, 28, 28, 28, 32, 32, 32, 32, 36, 36, 36, 36, 40, 40, 40, 40, 44, 45, 45, 45, 48, 49, 50, 50, 52, 52, 54, 54, 56, 56, 56, 56, 60, 60, 60, 63, 64, 64, 64, 64, 68]

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

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