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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.

A379900 a(n) = position of prime(n) in A379899, or a(n) = -1 if prime(n) is not in A379899.

Table of values

n a(n)
1 1
2 2
3 5
4 3
5 4
6 6
7 7
8 12
9 13
10 8
11 14
12 9
13 10
14 15
15 16
16 11
17 17
18 31
19 18
20 19
21 32
22 20
23 21
24 33
25 34
26 35
27 22
28 23
29 36
30 37
31 24
32 25
33 38
34 26
35 39
36 27
37 40
38 28
39 29
40 41
41 30
42 42
43 73
44 43
45 44
46 74
47 75
48 76
49 77
50 45
51 46
52 78
53 47
54 79
55 48
56 80
57 49
58 81
59 50
60 51
61 82
62 52
63 83
64 84
65 53
66 54
67 85

List of values

[1, 2, 5, 3, 4, 6, 7, 12, 13, 8, 14, 9, 10, 15, 16, 11, 17, 31, 18, 19, 32, 20, 21, 33, 34, 35, 22, 23, 36, 37, 24, 25, 38, 26, 39, 27, 40, 28, 29, 41, 30, 42, 73, 43, 44, 74, 75, 76, 77, 45, 46, 78, 47, 79, 48, 80, 49, 81, 50, 51, 82, 52, 83, 84, 53, 54, 85]

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

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