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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.

A290634 Positive integers which are never the quotient of phi(n)/tau(n).

Table of values

n a(n)
1 17
2 19
3 31
4 38
5 47
6 59
7 61
8 62
9 71
10 85
11 91
12 101
13 103
14 107
15 109
16 118
17 121
18 133
19 137
20 149
21 151
22 157
23 167
24 181
25 187
26 197
27 211
28 217
29 218
30 223
31 227
32 229
33 241
34 247
35 257
36 259
37 263
38 266
39 269
40 271
41 283
42 289
43 305
44 311
45 313
46 314
47 317
48 327
49 331
50 334
51 337
52 347
53 349
54 353
55 355
56 361
57 367

List of values

[17, 19, 31, 38, 47, 59, 61, 62, 71, 85, 91, 101, 103, 107, 109, 118, 121, 133, 137, 149, 151, 157, 167, 181, 187, 197, 211, 217, 218, 223, 227, 229, 241, 247, 257, 259, 263, 266, 269, 271, 283, 289, 305, 311, 313, 314, 317, 327, 331, 334, 337, 347, 349, 353, 355, 361, 367]

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

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