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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.

A163164 Positions n such that A163163(n) is not prime.

Table of values

n a(n)
1 1
2 4
3 6
4 10
5 12
6 14
7 16
8 18
9 20
10 21
11 22
12 24
13 25
14 26
15 28
16 30
17 34
18 36
19 38
20 39
21 40
22 42
23 44
24 45
25 46
26 48
27 50
28 51
29 52
30 54
31 55
32 56
33 57
34 58
35 60
36 62
37 64
38 66
39 68
40 70
41 72
42 74
43 75
44 76
45 78
46 80
47 81
48 82
49 84
50 85
51 86
52 88
53 90
54 91
55 92
56 93
57 94
58 96
59 99
60 100
61 102
62 104
63 105
64 106
65 108
66 110
67 111
68 112
69 114
70 115

List of values

[1, 4, 6, 10, 12, 14, 16, 18, 20, 21, 22, 24, 25, 26, 28, 30, 34, 36, 38, 39, 40, 42, 44, 45, 46, 48, 50, 51, 52, 54, 55, 56, 57, 58, 60, 62, 64, 66, 68, 70, 72, 74, 75, 76, 78, 80, 81, 82, 84, 85, 86, 88, 90, 91, 92, 93, 94, 96, 99, 100, 102, 104, 105, 106, 108, 110, 111, 112, 114, 115]

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

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