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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.

A007444 Moebius transform of primes.

Table of values

n a(n)
1 2
2 1
3 3
4 4
5 9
6 7
7 15
8 12
9 18
10 17
11 29
12 20
13 39
14 25
15 33
16 34
17 57
18 30
19 65
20 38
21 53
22 47
23 81
24 40
25 86
26 59
27 80
28 60
29 107
30 41
31 125
32 78
33 103
34 79
35 123
36 66
37 155
38 95
39 123
40 90
41 177
42 75
43 189
44 110
45 132
46 115
47 209
48 100
49 210
50 114
51 171
52 134
53 239

List of values

[2, 1, 3, 4, 9, 7, 15, 12, 18, 17, 29, 20, 39, 25, 33, 34, 57, 30, 65, 38, 53, 47, 81, 40, 86, 59, 80, 60, 107, 41, 125, 78, 103, 79, 123, 66, 155, 95, 123, 90, 177, 75, 189, 110, 132, 115, 209, 100, 210, 114, 171, 134, 239]