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.

A053034 Length of sequence when A051953 (cototient function) is repeatedly applied starting with n!.

Table of values

n a(n)
1 2
2 3
3 5
4 7
5 10
6 13
7 17
8 20
9 24
10 32
11 36
12 40
13 50
14 55
15 59
16 63
17 72
18 78
19 87
20 101
21 103
22 114
23 107
24 112
25 135
26 151
27 160
28 167
29 164
30 188
31 179
32 184
33 208
34 219
35 220
36 230
37 260
38 241
39 266
40 273
41 261
42 298
43 311
44 313
45 321
46 338
47 342
48 340
49 367
50 377
51 389
52 374
53 410
54 410
55 438
56 436
57 457

List of values

[2, 3, 5, 7, 10, 13, 17, 20, 24, 32, 36, 40, 50, 55, 59, 63, 72, 78, 87, 101, 103, 114, 107, 112, 135, 151, 160, 167, 164, 188, 179, 184, 208, 219, 220, 230, 260, 241, 266, 273, 261, 298, 311, 313, 321, 338, 342, 340, 367, 377, 389, 374, 410, 410, 438, 436, 457]

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

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