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.

A126253 a(n) = n-th integer from among those positive integers which are each coprime to exactly one prime dividing n.

Table of values

n a(n)
2 3
3 4
4 7
5 6
6 10
7 8
8 15
9 13
10 18
11 12
12 22
13 14
14 26
15 36
16 31
17 18
18 34
19 20
20 38
21 54
22 42
23 24
24 46
25 31
26 50
27 40
28 54
29 30
30 130
31 32
32 63
33 88
34 66
35 120
36 70
37 38
38 74
39 105
40 78
41 42
42 192
43 44
44 86
45 111
46 90
47 48
48 94
49 57
50 98
51 141
52 102
53 54
54 106
55 210
56 110
57 159
58 114
59 60
60 255
61 62
62 122
63 162

List of values

[3, 4, 7, 6, 10, 8, 15, 13, 18, 12, 22, 14, 26, 36, 31, 18, 34, 20, 38, 54, 42, 24, 46, 31, 50, 40, 54, 30, 130, 32, 63, 88, 66, 120, 70, 38, 74, 105, 78, 42, 192, 44, 86, 111, 90, 48, 94, 57, 98, 141, 102, 54, 106, 210, 110, 159, 114, 60, 255, 62, 122, 162]

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

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