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.

A069213 a(n) = n-th positive integer relatively prime to n.

Table of values

n a(n)
1 1
2 3
3 4
4 7
5 6
6 17
7 8
8 15
9 13
10 23
11 12
12 35
13 14
14 31
15 28
16 31
17 18
18 53
19 20
20 49
21 37
22 47
23 24
24 71
25 31
26 55
27 40
28 65
29 30
30 109
31 32
32 63
33 53
34 71
35 51
36 107
37 38
38 79
39 62
40 99
41 42
42 145
43 44
44 95
45 83
46 95
47 48
48 143
49 57
50 123
51 80
52 111
53 54
54 161
55 74
56 129
57 89
58 119
59 60
60 223
61 62
62 127
63 109
64 127
65 87
66 217

List of values

[1, 3, 4, 7, 6, 17, 8, 15, 13, 23, 12, 35, 14, 31, 28, 31, 18, 53, 20, 49, 37, 47, 24, 71, 31, 55, 40, 65, 30, 109, 32, 63, 53, 71, 51, 107, 38, 79, 62, 99, 42, 145, 44, 95, 83, 95, 48, 143, 57, 123, 80, 111, 54, 161, 74, 129, 89, 119, 60, 223, 62, 127, 109, 127, 87, 217]

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

Content is available under The OEIS End-User License Agreement.