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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.

A113646 a(n) is the smallest composite integer which is >= n.

Table of values

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

List of values

[4, 4, 4, 4, 6, 6, 8, 8, 9, 10, 12, 12, 14, 14, 15, 16, 18, 18, 20, 20, 21, 22, 24, 24, 25, 26, 27, 28, 30, 30, 32, 32, 33, 34, 35, 36, 38, 38, 39, 40, 42, 42, 44, 44, 45, 46, 48, 48, 49, 50, 51, 52, 54, 54, 55, 56, 57, 58, 60, 60, 62, 62, 63, 64, 65, 66, 68, 68, 69, 70, 72, 72]

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

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