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.

A379649 a(0) = 1, a(n) = position of prime(n) in A379727, or a(n) = -1 if prime(n) is not in A379727.

Table of values

n a(n)
0 1
1 -1
2 2
3 4
4 3
5 5
6 9
7 15
8 8
9 6
10 13
11 44
12 10
13 17
14 40
15 7
16 38
17 14
18 134
19 20
20 16
21 35
22 37
23 18
24 46
25 24
26 12
27 153
28 39
29 34
30 27
31 45
32 71
33 104
34 43
35 32
36 11
37 95
38 70
39 19
40 82
41 47
42 22
43 165
44 98
45 36
46 179
47 73
48 178
49 28
50 159
51 130
52 554
53 365
54 67
55 220
56 72
57 124
58 21
59 154
60 58
61 127
62 83
63 79

List of values

[1, -1, 2, 4, 3, 5, 9, 15, 8, 6, 13, 44, 10, 17, 40, 7, 38, 14, 134, 20, 16, 35, 37, 18, 46, 24, 12, 153, 39, 34, 27, 45, 71, 104, 43, 32, 11, 95, 70, 19, 82, 47, 22, 165, 98, 36, 179, 73, 178, 28, 159, 130, 554, 365, 67, 220, 72, 124, 21, 154, 58, 127, 83, 79]

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

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