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.

A174100 Numbers k such that both 2*k + 1 and 6*k + 1 are prime.

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 6
6 11
7 18
8 21
9 23
10 26
11 30
12 33
13 35
14 51
15 56
16 63
17 68
18 81
19 83
20 90
21 95
22 96
23 105
24 125
25 128
26 131
27 135
28 138
29 146
30 153
31 156
32 165
33 168
34 173
35 186
36 200
37 215
38 216
39 221
40 230
41 233
42 243
43 245
44 261
45 270
46 278
47 293
48 296
49 300
50 336
51 338
52 363
53 375
54 378
55 380
56 398

List of values

[1, 2, 3, 5, 6, 11, 18, 21, 23, 26, 30, 33, 35, 51, 56, 63, 68, 81, 83, 90, 95, 96, 105, 125, 128, 131, 135, 138, 146, 153, 156, 165, 168, 173, 186, 200, 215, 216, 221, 230, 233, 243, 245, 261, 270, 278, 293, 296, 300, 336, 338, 363, 375, 378, 380, 398]

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

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