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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.

A236386 Numbers m such that phi(m) is an oblong number.

Table of values

n a(n)
1 3
2 4
3 6
4 7
5 9
6 13
7 14
8 18
9 21
10 25
11 26
12 28
13 31
14 33
15 36
16 42
17 43
18 44
19 49
20 50
21 62
22 66
23 73
24 86
25 87
26 91
27 95
28 98
29 111
30 116
31 117
32 121
33 135
34 146
35 148
36 152
37 157
38 161
39 169
40 174
41 182
42 190
43 201
44 207
45 211
46 216
47 222
48 228
49 234
50 237
51 241
52 242
53 252
54 268
55 270
56 287
57 289
58 305

List of values

[3, 4, 6, 7, 9, 13, 14, 18, 21, 25, 26, 28, 31, 33, 36, 42, 43, 44, 49, 50, 62, 66, 73, 86, 87, 91, 95, 98, 111, 116, 117, 121, 135, 146, 148, 152, 157, 161, 169, 174, 182, 190, 201, 207, 211, 216, 222, 228, 234, 237, 241, 242, 252, 268, 270, 287, 289, 305]