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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.

A232190 a(n) is the number of primes of the form 2^b + 2n +- 2^k +- 1 and 2^(b+2) - 2^b - 2n +- 2^k +- 1, where b is the length of the binary representation of 2n, and 0

Table of values

n a(n)
1 5
2 9
3 7
4 10
5 11
6 10
7 10
8 13
9 14
10 14
11 15
12 12
13 13
14 11
15 12
16 15
17 18
18 15
19 15
20 15
21 17
22 17
23 18
24 12
25 15
26 14
27 14
28 12
29 16
30 14
31 13
32 14
33 16
34 23
35 20
36 16
37 18
38 16
39 17
40 16
41 17
42 16
43 16
44 13
45 17
46 15
47 15
48 15
49 20
50 18
51 20
52 19
53 17
54 18
55 18
56 14
57 15
58 18
59 18
60 13
61 17
62 14
63 15
64 17
65 17
66 16

List of values

[5, 9, 7, 10, 11, 10, 10, 13, 14, 14, 15, 12, 13, 11, 12, 15, 18, 15, 15, 15, 17, 17, 18, 12, 15, 14, 14, 12, 16, 14, 13, 14, 16, 23, 20, 16, 18, 16, 17, 16, 17, 16, 16, 13, 17, 15, 15, 15, 20, 18, 20, 19, 17, 18, 18, 14, 15, 18, 18, 13, 17, 14, 15, 17, 17, 16]

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