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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.

A362025 a(n) is the least number that reaches 1 after n iterations of the infinitary totient function A064380.

Table of values

n a(n)
1 2
2 3
3 4
4 5
5 9
6 11
7 16
8 17
9 28
10 29
11 46
12 47
13 99
14 145
15 167
16 205
17 314
18 397
19 437
20 793
21 851
22 1137
23 1693
24 2453
25 2771
26 2989
27 3701
28 5099
29 6801
30 9299
31 12031
32 15811
33 16816
34 21520
35 21521
36 29547
37 39685
38 62077
39 83191
40 103473
41 112117
42 149535
43 157159
44 196049
45 200267
46 303022

List of values

[2, 3, 4, 5, 9, 11, 16, 17, 28, 29, 46, 47, 99, 145, 167, 205, 314, 397, 437, 793, 851, 1137, 1693, 2453, 2771, 2989, 3701, 5099, 6801, 9299, 12031, 15811, 16816, 21520, 21521, 29547, 39685, 62077, 83191, 103473, 112117, 149535, 157159, 196049, 200267, 303022]

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

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