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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.

A179401 Numbers k such that phi(phi(k)) = lambda(lambda(k)).

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 9
9 10
10 11
11 14
12 18
13 19
14 22
15 23
16 27
17 38
18 46
19 47
20 54
21 59
22 81
23 83
24 94
25 107
26 118
27 162
28 163
29 166
30 167
31 179
32 214
33 227
34 243
35 251
36 263
37 326
38 334
39 347
40 358
41 359
42 383
43 454
44 467
45 479
46 486
47 487
48 502
49 503
50 526
51 563
52 587
53 694
54 718
55 719
56 729
57 766
58 839
59 863
60 887
61 934
62 958

List of values

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 14, 18, 19, 22, 23, 27, 38, 46, 47, 54, 59, 81, 83, 94, 107, 118, 162, 163, 166, 167, 179, 214, 227, 243, 251, 263, 326, 334, 347, 358, 359, 383, 454, 467, 479, 486, 487, 502, 503, 526, 563, 587, 694, 718, 719, 729, 766, 839, 863, 887, 934, 958]

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

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