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.

A130640 Numbers k such that either 2^k + prime(k) or 2^k - prime(k) is prime.

Table of values

n a(n)
1 2
2 3
3 4
4 5
5 11
6 12
7 13
8 14
9 19
10 23
11 24
12 26
13 57
14 61
15 96
16 106
17 175
18 189
19 226
20 227
21 311
22 312
23 373
24 483
25 741
26 1046
27 1298
28 1787
29 1952
30 2130
31 2285
32 2670
33 3254
34 3642
35 4369
36 4741
37 7082
38 8421
39 10695
40 13559
41 14802
42 18824
43 18892
44 20655
45 21653
46 33418
47 39937
48 66830
49 84160

List of values

[2, 3, 4, 5, 11, 12, 13, 14, 19, 23, 24, 26, 57, 61, 96, 106, 175, 189, 226, 227, 311, 312, 373, 483, 741, 1046, 1298, 1787, 1952, 2130, 2285, 2670, 3254, 3642, 4369, 4741, 7082, 8421, 10695, 13559, 14802, 18824, 18892, 20655, 21653, 33418, 39937, 66830, 84160]