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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.

A361966 Irregular table read by rows in which the n-th row consists of all the numbers m such that uphi(m) = n, where uphi is the unitary totient function (A047994).

Table of values

n a(n)
1 1
2 2
3 3
4 6
5 4
6 5
7 10
8 7
9 12
10 14
11 8
12 9
13 15
14 18
15 30
16 11
17 22
18 13
19 20
20 21
21 26
22 42
23 24
24 16
25 17
26 34
27 19
28 28
29 38
30 33
31 66
32 23
33 46
34 25
35 35
36 36
37 39
38 50
39 60
40 70
41 78
42 27
43 54
44 29
45 40
46 58
47 31
48 44
49 48
50 62
51 32
52 45
53 51
54 90
55 102
56 37
57 52
58 57
59 74
60 84
61 114
62 41
63 55
64 82
65 110
66 43
67 56
68 86

List of values

[1, 2, 3, 6, 4, 5, 10, 7, 12, 14, 8, 9, 15, 18, 30, 11, 22, 13, 20, 21, 26, 42, 24, 16, 17, 34, 19, 28, 38, 33, 66, 23, 46, 25, 35, 36, 39, 50, 60, 70, 78, 27, 54, 29, 40, 58, 31, 44, 48, 62, 32, 45, 51, 90, 102, 37, 52, 57, 74, 84, 114, 41, 55, 82, 110, 43, 56, 86]

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

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