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.

A087268 Solutions to gcd(x, pi(x)) = 1, where pi is A000720.

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 7
6 9
7 11
8 12
9 13
10 17
11 18
12 19
13 21
14 23
15 25
16 26
17 28
18 29
19 31
20 32
21 34
22 35
23 36
24 37
25 41
26 42
27 43
28 45
29 47
30 49
31 52
32 53
33 55
34 57
35 59
36 60
37 61
38 65
39 67
40 68
41 69
42 70
43 71
44 73
45 74
46 76
47 79
48 81
49 83
50 84
51 85
52 86
53 87
54 88
55 89
56 91
57 95
58 97
59 98
60 99
61 101
62 103
63 104
64 106
65 107
66 109
67 110
68 111

List of values

[1, 2, 3, 5, 7, 9, 11, 12, 13, 17, 18, 19, 21, 23, 25, 26, 28, 29, 31, 32, 34, 35, 36, 37, 41, 42, 43, 45, 47, 49, 52, 53, 55, 57, 59, 60, 61, 65, 67, 68, 69, 70, 71, 73, 74, 76, 79, 81, 83, 84, 85, 86, 87, 88, 89, 91, 95, 97, 98, 99, 101, 103, 104, 106, 107, 109, 110, 111]

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

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