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.

A168563 a(n) = (n-th prime > 3) minus (n-th composite number).

Table of values

n a(n)
1 1
2 1
3 3
4 4
5 7
6 7
7 9
8 14
9 15
10 19
11 21
12 22
13 25
14 29
15 34
16 35
17 40
18 43
19 43
20 47
21 50
22 55
23 62
24 65
25 65
26 68
27 69
28 71
29 83
30 86
31 91
32 91
33 100
34 101
35 106
36 111
37 113
38 118
39 123
40 124
41 133
42 133
43 135
44 136
45 147
46 158
47 161
48 161
49 164
50 169
51 169
52 177
53 182
54 187
55 192
56 193
57 197
58 200
59 201
60 209
61 222
62 225
63 226

List of values

[1, 1, 3, 4, 7, 7, 9, 14, 15, 19, 21, 22, 25, 29, 34, 35, 40, 43, 43, 47, 50, 55, 62, 65, 65, 68, 69, 71, 83, 86, 91, 91, 100, 101, 106, 111, 113, 118, 123, 124, 133, 133, 135, 136, 147, 158, 161, 161, 164, 169, 169, 177, 182, 187, 192, 193, 197, 200, 201, 209, 222, 225, 226]