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.

A318785 Numbers which are prime if each digit is replaced by its 9's complement.

Table of values

n a(n)
1 2
2 4
3 6
4 7
5 10
6 16
7 20
8 26
9 28
10 32
11 38
12 40
13 46
14 52
15 56
16 58
17 62
18 68
19 70
20 76
21 80
22 82
23 86
24 88
25 92
26 94
27 96
28 97
29 112
30 116
31 118
32 122
33 136
34 140
35 142
36 146
37 160
38 170
39 172
40 176
41 178
42 188
43 190
44 202
45 212
46 226
47 230
48 238
49 242
50 248
51 256
52 260
53 266
54 272
55 280
56 290
57 298
58 308
59 316
60 322
61 326
62 338
63 340
64 346
65 352
66 356
67 358

List of values

[2, 4, 6, 7, 10, 16, 20, 26, 28, 32, 38, 40, 46, 52, 56, 58, 62, 68, 70, 76, 80, 82, 86, 88, 92, 94, 96, 97, 112, 116, 118, 122, 136, 140, 142, 146, 160, 170, 172, 176, 178, 188, 190, 202, 212, 226, 230, 238, 242, 248, 256, 260, 266, 272, 280, 290, 298, 308, 316, 322, 326, 338, 340, 346, 352, 356, 358]

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

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