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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.

A014686 In sequence of prime numbers add 1 to first prime, 3rd prime, fifth prime, ... then subtract 1 from 2nd prime, fourth prime, sixth prime and so on.

Table of values

n a(n)
1 3
2 2
3 6
4 6
5 12
6 12
7 18
8 18
9 24
10 28
11 32
12 36
13 42
14 42
15 48
16 52
17 60
18 60
19 68
20 70
21 74
22 78
23 84
24 88
25 98
26 100
27 104
28 106
29 110
30 112
31 128
32 130
33 138
34 138
35 150
36 150
37 158
38 162
39 168
40 172
41 180
42 180
43 192
44 192
45 198
46 198
47 212
48 222
49 228
50 228
51 234
52 238
53 242
54 250
55 258
56 262
57 270
58 270

List of values

[3, 2, 6, 6, 12, 12, 18, 18, 24, 28, 32, 36, 42, 42, 48, 52, 60, 60, 68, 70, 74, 78, 84, 88, 98, 100, 104, 106, 110, 112, 128, 130, 138, 138, 150, 150, 158, 162, 168, 172, 180, 180, 192, 192, 198, 198, 212, 222, 228, 228, 234, 238, 242, 250, 258, 262, 270, 270]

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

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