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.

A099861 a(n) = (2*n-1)-st composite number: a bisection of A002808.

Table of values

n a(n)
1 4
2 8
3 10
4 14
5 16
6 20
7 22
8 25
9 27
10 30
11 33
12 35
13 38
14 40
15 44
16 46
17 49
18 51
19 54
20 56
21 58
22 62
23 64
24 66
25 69
26 72
27 75
28 77
29 80
30 82
31 85
32 87
33 90
34 92
35 94
36 96
37 99
38 102
39 105
40 108
41 111
42 114
43 116
44 118
45 120
46 122
47 124
48 126
49 129
50 132
51 134
52 136
53 140
54 142
55 144
56 146
57 148
58 152
59 154
60 156
61 159
62 161

List of values

[4, 8, 10, 14, 16, 20, 22, 25, 27, 30, 33, 35, 38, 40, 44, 46, 49, 51, 54, 56, 58, 62, 64, 66, 69, 72, 75, 77, 80, 82, 85, 87, 90, 92, 94, 96, 99, 102, 105, 108, 111, 114, 116, 118, 120, 122, 124, 126, 129, 132, 134, 136, 140, 142, 144, 146, 148, 152, 154, 156, 159, 161]

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

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