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.

A338074 Numbers k such that A336957(k) is twice a prime.

Table of values

n a(n)
1 3
2 6
3 10
4 14
5 18
6 22
7 23
8 26
9 46
10 51
11 54
12 58
13 87
14 99
15 106
16 107
17 110
18 114
19 134
20 135
21 142
22 155
23 171
24 182
25 195
26 199
27 210
28 214
29 215
30 255
31 259
32 271
33 274
34 295
35 299
36 315
37 323
38 326
39 347
40 367
41 371
42 390
43 391
44 394
45 398
46 443
47 451
48 471
49 475
50 478
51 491
52 495
53 511
54 523
55 531
56 543
57 547
58 567
59 575
60 579
61 599

List of values

[3, 6, 10, 14, 18, 22, 23, 26, 46, 51, 54, 58, 87, 99, 106, 107, 110, 114, 134, 135, 142, 155, 171, 182, 195, 199, 210, 214, 215, 255, 259, 271, 274, 295, 299, 315, 323, 326, 347, 367, 371, 390, 391, 394, 398, 443, 451, 471, 475, 478, 491, 495, 511, 523, 531, 543, 547, 567, 575, 579, 599]

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

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