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.

A168269 a(n) = 2*n - (-1)^n.

Table of values

n a(n)
1 3
2 3
3 7
4 7
5 11
6 11
7 15
8 15
9 19
10 19
11 23
12 23
13 27
14 27
15 31
16 31
17 35
18 35
19 39
20 39
21 43
22 43
23 47
24 47
25 51
26 51
27 55
28 55
29 59
30 59
31 63
32 63
33 67
34 67
35 71
36 71
37 75
38 75
39 79
40 79
41 83
42 83
43 87
44 87
45 91
46 91
47 95
48 95
49 99
50 99
51 103
52 103
53 107
54 107
55 111
56 111
57 115
58 115
59 119
60 119
61 123
62 123
63 127
64 127
65 131
66 131

List of values

[3, 3, 7, 7, 11, 11, 15, 15, 19, 19, 23, 23, 27, 27, 31, 31, 35, 35, 39, 39, 43, 43, 47, 47, 51, 51, 55, 55, 59, 59, 63, 63, 67, 67, 71, 71, 75, 75, 79, 79, 83, 83, 87, 87, 91, 91, 95, 95, 99, 99, 103, 103, 107, 107, 111, 111, 115, 115, 119, 119, 123, 123, 127, 127, 131, 131]