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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.

A288452 Pseudoperfect totient numbers: numbers n such that equal the sum of a subset of their iterated phi(n).

Table of values

n a(n)
1 3
2 5
3 7
4 9
5 11
6 13
7 15
8 17
9 19
10 23
11 25
12 27
13 29
14 31
15 33
16 35
17 37
18 39
19 41
20 43
21 47
22 49
23 51
24 53
25 55
26 59
27 61
28 65
29 67
30 69
31 71
32 73
33 77
34 79
35 81
36 83
37 85
38 87
39 89
40 97
41 101
42 103
43 107
44 109
45 111
46 113
47 115
48 119
49 121
50 123
51 125
52 127
53 131
54 137
55 139
56 141
57 143
58 149
59 151
60 153
61 155

List of values

[3, 5, 7, 9, 11, 13, 15, 17, 19, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 47, 49, 51, 53, 55, 59, 61, 65, 67, 69, 71, 73, 77, 79, 81, 83, 85, 87, 89, 97, 101, 103, 107, 109, 111, 113, 115, 119, 121, 123, 125, 127, 131, 137, 139, 141, 143, 149, 151, 153, 155]

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

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