cp's OEIS Frontend

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.

A193305 Composite numbers of the form 4, p^m, or 2*p^m for p an odd prime. All composites that have a primitive root.

Table of values

n a(n)
1 4
2 6
3 9
4 10
5 14
6 18
7 22
8 25
9 26
10 27
11 34
12 38
13 46
14 49
15 50
16 54
17 58
18 62
19 74
20 81
21 82
22 86
23 94
24 98
25 106
26 118
27 121
28 122
29 125
30 134
31 142
32 146
33 158
34 162
35 166
36 169
37 178
38 194
39 202
40 206
41 214
42 218
43 226
44 242
45 243
46 250
47 254
48 262
49 274
50 278
51 289
52 298
53 302
54 314
55 326
56 334
57 338
58 343

List of values

[4, 6, 9, 10, 14, 18, 22, 25, 26, 27, 34, 38, 46, 49, 50, 54, 58, 62, 74, 81, 82, 86, 94, 98, 106, 118, 121, 122, 125, 134, 142, 146, 158, 162, 166, 169, 178, 194, 202, 206, 214, 218, 226, 242, 243, 250, 254, 262, 274, 278, 289, 298, 302, 314, 326, 334, 338, 343]

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

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