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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.

A359362 a(n) = (A001222(n) + 1) * A056239(n), where A001222 counts prime indices and A056239 adds them up.

Table of values

n a(n)
1 0
2 2
3 4
4 6
5 6
6 9
7 8
8 12
9 12
10 12
11 10
12 16
13 12
14 15
15 15
16 20
17 14
18 20
19 16
20 20
21 18
22 18
23 18
24 25
25 18
26 21
27 24
28 24
29 20
30 24
31 22
32 30
33 21
34 24
35 21
36 30
37 24
38 27
39 24
40 30
41 26
42 28
43 28
44 28
45 28
46 30
47 30
48 36
49 24
50 28
51 27
52 32
53 32
54 35
55 24
56 35
57 30
58 33
59 34
60 35
61 36
62 36
63 32
64 42
65 27
66 32
67 38

List of values

[0, 2, 4, 6, 6, 9, 8, 12, 12, 12, 10, 16, 12, 15, 15, 20, 14, 20, 16, 20, 18, 18, 18, 25, 18, 21, 24, 24, 20, 24, 22, 30, 21, 24, 21, 30, 24, 27, 24, 30, 26, 28, 28, 28, 28, 30, 30, 36, 24, 28, 27, 32, 32, 35, 24, 35, 30, 33, 34, 35, 36, 36, 32, 42, 27, 32, 38]

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

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