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.

A002258 Numbers k such that 15*2^k + 1 is prime.

Table of values

n a(n)
1 1
2 2
3 4
4 9
5 10
6 12
7 27
8 37
9 38
10 44
11 48
12 78
13 112
14 168
15 229
16 297
17 339
18 517
19 522
20 654
21 900
22 1518
23 2808
24 2875
25 3128
26 3888
27 4410
28 6804
29 7050
30 7392
31 19219
32 21445
33 21550
34 24105
35 24995
36 34224
37 34260
38 43388
39 48444
40 61758
41 184290
42 294894
43 300488
44 403929
45 483098
46 635989

List of values

[1, 2, 4, 9, 10, 12, 27, 37, 38, 44, 48, 78, 112, 168, 229, 297, 339, 517, 522, 654, 900, 1518, 2808, 2875, 3128, 3888, 4410, 6804, 7050, 7392, 19219, 21445, 21550, 24105, 24995, 34224, 34260, 43388, 48444, 61758, 184290, 294894, 300488, 403929, 483098, 635989]