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.

A246514 Number of composite numbers between prime(n) and 2*prime(n) exclusive.

Table of values

n a(n)
1 0
2 1
3 3
4 4
5 7
6 9
7 12
8 14
9 17
10 22
11 23
12 27
13 31
14 33
15 37
16 41
17 45
18 48
19 53
20 56
21 59
22 63
23 67
24 72
25 77
26 80
27 83
28 87
29 90
30 94
31 103
32 107
33 111
34 113
35 121
36 124
37 128
38 134
39 138
40 144
41 148
42 150
43 158
44 160
45 164
46 166
47 175
48 184
49 188
50 190
51 193
52 199
53 201
54 209
55 214
56 219
57 226
58 228
59 234

List of values

[0, 1, 3, 4, 7, 9, 12, 14, 17, 22, 23, 27, 31, 33, 37, 41, 45, 48, 53, 56, 59, 63, 67, 72, 77, 80, 83, 87, 90, 94, 103, 107, 111, 113, 121, 124, 128, 134, 138, 144, 148, 150, 158, 160, 164, 166, 175, 184, 188, 190, 193, 199, 201, 209, 214, 219, 226, 228, 234]