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.

A085271 Difference between n-th composite number and its smallest prime divisor.

Table of values

n a(n)
1 2
2 4
3 6
4 6
5 8
6 10
7 12
8 12
9 14
10 16
11 18
12 18
13 20
14 22
15 20
16 24
17 24
18 26
19 28
20 30
21 30
22 32
23 30
24 34
25 36
26 36
27 38
28 40
29 42
30 42
31 44
32 46
33 42
34 48
35 48
36 50
37 52
38 50
39 54
40 54
41 56
42 58
43 60
44 60
45 62
46 60
47 64
48 66
49 66
50 68
51 70
52 72
53 72
54 74
55 70
56 76
57 78
58 78
59 80
60 82
61 80
62 84
63 84
64 86
65 88
66 84
67 90
68 90
69 92
70 90
71 94

List of values

[2, 4, 6, 6, 8, 10, 12, 12, 14, 16, 18, 18, 20, 22, 20, 24, 24, 26, 28, 30, 30, 32, 30, 34, 36, 36, 38, 40, 42, 42, 44, 46, 42, 48, 48, 50, 52, 50, 54, 54, 56, 58, 60, 60, 62, 60, 64, 66, 66, 68, 70, 72, 72, 74, 70, 76, 78, 78, 80, 82, 80, 84, 84, 86, 88, 84, 90, 90, 92, 90, 94]

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

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