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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.

A350317 Totient numbers k such that 5*k is a nontotient.

Table of values

n a(n)
1 1
2 10
3 18
4 46
5 58
6 70
7 78
8 82
9 102
10 106
11 110
12 130
13 136
14 148
15 166
16 178
17 190
18 220
19 222
20 226
21 238
22 250
23 262
24 268
25 270
26 282
27 292
28 310
29 316
30 330
31 342
32 346
33 358
34 378
35 382
36 418
37 430
38 438
39 442
40 466
41 478
42 486
43 490
44 498
45 502
46 508
47 522
48 556
49 562
50 568
51 586
52 598
53 606
54 618

List of values

[1, 10, 18, 46, 58, 70, 78, 82, 102, 106, 110, 130, 136, 148, 166, 178, 190, 220, 222, 226, 238, 250, 262, 268, 270, 282, 292, 310, 316, 330, 342, 346, 358, 378, 382, 418, 430, 438, 442, 466, 478, 486, 490, 498, 502, 508, 522, 556, 562, 568, 586, 598, 606, 618]