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.

A161720 a(n) = (prime(n) - 7)/2.

Table of values

n a(n)
3 -1
4 0
5 2
6 3
7 5
8 6
9 8
10 11
11 12
12 15
13 17
14 18
15 20
16 23
17 26
18 27
19 30
20 32
21 33
22 36
23 38
24 41
25 45
26 47
27 48
28 50
29 51
30 53
31 60
32 62
33 65
34 66
35 71
36 72
37 75
38 78
39 80
40 83
41 86
42 87
43 92
44 93
45 95
46 96
47 102
48 108
49 110
50 111
51 113
52 116
53 117
54 122
55 125
56 128
57 131
58 132

List of values

[-1, 0, 2, 3, 5, 6, 8, 11, 12, 15, 17, 18, 20, 23, 26, 27, 30, 32, 33, 36, 38, 41, 45, 47, 48, 50, 51, 53, 60, 62, 65, 66, 71, 72, 75, 78, 80, 83, 86, 87, 92, 93, 95, 96, 102, 108, 110, 111, 113, 116, 117, 122, 125, 128, 131, 132]