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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.

A350319 Totient numbers k such that 9*k is a nontotient.

Table of values

n a(n)
1 1
2 10
3 46
4 66
5 78
6 106
7 126
8 138
9 150
10 166
11 178
12 190
13 210
14 226
15 262
16 268
17 270
18 306
19 346
20 358
21 366
22 372
23 378
24 382
25 418
26 430
27 442
28 466
29 478
30 490
31 506
32 522
33 546
34 570
35 586
36 598
37 606
38 630
39 646
40 676
41 682
42 718
43 726
44 738
45 750
46 786
47 810
48 822
49 826
50 838
51 882
52 886
53 906

List of values

[1, 10, 46, 66, 78, 106, 126, 138, 150, 166, 178, 190, 210, 226, 262, 268, 270, 306, 346, 358, 366, 372, 378, 382, 418, 430, 442, 466, 478, 490, 506, 522, 546, 570, 586, 598, 606, 630, 646, 676, 682, 718, 726, 738, 750, 786, 810, 822, 826, 838, 882, 886, 906]