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.

A087269 Nonprime solutions to gcd(x, pi(x)) = gcd(x, A000720(x)) = 1.

Table of values

n a(n)
1 1
2 9
3 12
4 18
5 21
6 25
7 26
8 28
9 32
10 34
11 35
12 36
13 42
14 45
15 49
16 52
17 55
18 57
19 60
20 65
21 68
22 69
23 70
24 74
25 76
26 81
27 84
28 85
29 86
30 87
31 88
32 91
33 95
34 98
35 99
36 104
37 106
38 110
39 111
40 112
41 119
42 121
43 128
44 129
45 130
46 133
47 135
48 141
49 143
50 145
51 147
52 155
53 158
54 159
55 160
56 161
57 162
58 165
59 170
60 172
61 177

List of values

[1, 9, 12, 18, 21, 25, 26, 28, 32, 34, 35, 36, 42, 45, 49, 52, 55, 57, 60, 65, 68, 69, 70, 74, 76, 81, 84, 85, 86, 87, 88, 91, 95, 98, 99, 104, 106, 110, 111, 112, 119, 121, 128, 129, 130, 133, 135, 141, 143, 145, 147, 155, 158, 159, 160, 161, 162, 165, 170, 172, 177]