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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.

A089625 Replace 2^k in binary expansion of n with (k+1)-st prime.

Table of values

n a(n)
1 2
2 3
3 5
4 5
5 7
6 8
7 10
8 7
9 9
10 10
11 12
12 12
13 14
14 15
15 17
16 11
17 13
18 14
19 16
20 16
21 18
22 19
23 21
24 18
25 20
26 21
27 23
28 23
29 25
30 26
31 28
32 13
33 15
34 16
35 18
36 18
37 20
38 21
39 23
40 20
41 22
42 23
43 25
44 25
45 27
46 28
47 30
48 24
49 26
50 27
51 29
52 29
53 31
54 32
55 34
56 31
57 33
58 34
59 36
60 36
61 38
62 39
63 41
64 17
65 19
66 20
67 22
68 22
69 24
70 25
71 27

List of values

[2, 3, 5, 5, 7, 8, 10, 7, 9, 10, 12, 12, 14, 15, 17, 11, 13, 14, 16, 16, 18, 19, 21, 18, 20, 21, 23, 23, 25, 26, 28, 13, 15, 16, 18, 18, 20, 21, 23, 20, 22, 23, 25, 25, 27, 28, 30, 24, 26, 27, 29, 29, 31, 32, 34, 31, 33, 34, 36, 36, 38, 39, 41, 17, 19, 20, 22, 22, 24, 25, 27]

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