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.

A065309 a(n) = prime(n) - prime(n - pi(n)).

Table of values

n a(n)
1 0
2 1
3 3
4 4
5 8
6 8
7 12
8 12
9 12
10 16
11 18
12 20
13 24
14 24
15 24
16 24
17 30
18 30
19 36
20 34
21 32
22 36
23 40
24 42
25 44
26 42
27 42
28 40
29 42
30 42
31 56
32 58
33 58
34 56
35 60
36 54
37 60
38 62
39 64
40 66
41 72
42 72
43 82
44 80
45 70
46 68
47 80
48 86
49 88
50 80
51 82
52 82
53 84
54 88
55 90
56 90
57 90
58 90
59 96
60 90
61 92
62 100
63 110
64 112
65 102
66 94
67 108
68 110
69 118

List of values

[0, 1, 3, 4, 8, 8, 12, 12, 12, 16, 18, 20, 24, 24, 24, 24, 30, 30, 36, 34, 32, 36, 40, 42, 44, 42, 42, 40, 42, 42, 56, 58, 58, 56, 60, 54, 60, 62, 64, 66, 72, 72, 82, 80, 70, 68, 80, 86, 88, 80, 82, 82, 84, 88, 90, 90, 90, 90, 96, 90, 92, 100, 110, 112, 102, 94, 108, 110, 118]

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

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