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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.

A140487 Trajectory of 3 under repeated application of the map: n -> n + second-smallest number that does not divide n.

Table of values

n a(n)
1 3
2 7
3 10
4 14
5 18
6 23
7 26
8 30
9 37
10 40
11 46
12 50
13 54
14 59
15 62
16 66
17 71
18 74
19 78
20 83
21 86
22 90
23 97
24 100
25 106
26 110
27 114
28 119
29 122
30 126
31 131
32 134
33 138
34 143
35 146
36 150
37 157
38 160
39 166
40 170
41 174
42 179
43 182
44 186
45 191
46 194
47 198
48 203
49 206
50 210
51 218
52 222
53 227
54 230
55 234
56 239
57 242
58 246

List of values

[3, 7, 10, 14, 18, 23, 26, 30, 37, 40, 46, 50, 54, 59, 62, 66, 71, 74, 78, 83, 86, 90, 97, 100, 106, 110, 114, 119, 122, 126, 131, 134, 138, 143, 146, 150, 157, 160, 166, 170, 174, 179, 182, 186, 191, 194, 198, 203, 206, 210, 218, 222, 227, 230, 234, 239, 242, 246]

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

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