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.

A168457 a(n) = (10*n + 5*(-1)^n - 1)/2.

Table of values

n a(n)
1 2
2 12
3 12
4 22
5 22
6 32
7 32
8 42
9 42
10 52
11 52
12 62
13 62
14 72
15 72
16 82
17 82
18 92
19 92
20 102
21 102
22 112
23 112
24 122
25 122
26 132
27 132
28 142
29 142
30 152
31 152
32 162
33 162
34 172
35 172
36 182
37 182
38 192
39 192
40 202
41 202
42 212
43 212
44 222
45 222
46 232
47 232
48 242
49 242
50 252
51 252
52 262
53 262
54 272
55 272
56 282

List of values

[2, 12, 12, 22, 22, 32, 32, 42, 42, 52, 52, 62, 62, 72, 72, 82, 82, 92, 92, 102, 102, 112, 112, 122, 122, 132, 132, 142, 142, 152, 152, 162, 162, 172, 172, 182, 182, 192, 192, 202, 202, 212, 212, 222, 222, 232, 232, 242, 242, 252, 252, 262, 262, 272, 272, 282]