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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.

A219793 Least k such that phi(n) = lambda(k), or 0 if there is no such k.

Table of values

n a(n)
1 1
2 1
3 3
4 3
5 5
6 3
7 7
8 5
9 7
10 5
11 11
12 5
13 13
14 7
15 32
16 32
17 17
18 7
19 19
20 32
21 13
22 11
23 23
24 32
25 25
26 13
27 19
28 13
29 29
30 32
31 31
32 17
33 25
34 17
35 224
36 13
37 37
38 19
39 224
40 17
41 41
42 13
43 43
44 25
45 224
46 23
47 47
48 17
49 43
50 25
51 128
52 224
53 53
54 19
55 41
56 224
57 37
58 29
59 59
60 17
61 61
62 31
63 37
64 128
65 119
66 25

List of values

[1, 1, 3, 3, 5, 3, 7, 5, 7, 5, 11, 5, 13, 7, 32, 32, 17, 7, 19, 32, 13, 11, 23, 32, 25, 13, 19, 13, 29, 32, 31, 17, 25, 17, 224, 13, 37, 19, 224, 17, 41, 13, 43, 25, 224, 23, 47, 17, 43, 25, 128, 224, 53, 19, 41, 224, 37, 29, 59, 17, 61, 31, 37, 128, 119, 25]

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