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.

A023207 Numbers m such that m and 2*m + 9 both prime.

Table of values

n a(n)
1 2
2 5
3 7
4 11
5 17
6 19
7 29
8 31
9 37
10 47
11 59
12 61
13 71
14 79
15 101
16 107
17 109
18 127
19 131
20 137
21 149
22 151
23 179
24 211
25 227
26 229
27 239
28 241
29 257
30 269
31 277
32 281
33 311
34 317
35 337
36 359
37 367
38 389
39 401
40 409
41 439
42 449
43 479
44 487
45 491
46 521
47 541
48 547
49 557
50 571
51 577
52 607
53 641
54 647
55 659
56 709
57 719
58 739

List of values

[2, 5, 7, 11, 17, 19, 29, 31, 37, 47, 59, 61, 71, 79, 101, 107, 109, 127, 131, 137, 149, 151, 179, 211, 227, 229, 239, 241, 257, 269, 277, 281, 311, 317, 337, 359, 367, 389, 401, 409, 439, 449, 479, 487, 491, 521, 541, 547, 557, 571, 577, 607, 641, 647, 659, 709, 719, 739]