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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.

A274333 Indices of Lucas numbers having exactly one primitive prime factor.

Table of values

n a(n)
1 0
2 2
3 4
4 5
5 7
6 8
7 9
8 10
9 11
10 12
11 13
12 14
13 15
14 16
15 17
16 18
17 19
18 20
19 21
20 24
21 26
22 27
23 28
24 30
25 31
26 33
27 36
28 37
29 38
30 41
31 47
32 49
33 53
34 54
35 56
36 61
37 62
38 66
39 68
40 70
41 71
42 72
43 76
44 78
45 79
46 80
47 86
48 90
49 91
50 96
51 110
52 113
53 117
54 120
55 121
56 136
57 140
58 144
59 164
60 168
61 172
62 178
63 202
64 203

List of values

[0, 2, 4, 5, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 24, 26, 27, 28, 30, 31, 33, 36, 37, 38, 41, 47, 49, 53, 54, 56, 61, 62, 66, 68, 70, 71, 72, 76, 78, 79, 80, 86, 90, 91, 96, 110, 113, 117, 120, 121, 136, 140, 144, 164, 168, 172, 178, 202, 203]

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

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