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.

A168419 a(n) = 9*floor(n/2).

Table of values

n a(n)
1 0
2 9
3 9
4 18
5 18
6 27
7 27
8 36
9 36
10 45
11 45
12 54
13 54
14 63
15 63
16 72
17 72
18 81
19 81
20 90
21 90
22 99
23 99
24 108
25 108
26 117
27 117
28 126
29 126
30 135
31 135
32 144
33 144
34 153
35 153
36 162
37 162
38 171
39 171
40 180
41 180
42 189
43 189
44 198
45 198
46 207
47 207
48 216
49 216
50 225
51 225
52 234
53 234
54 243
55 243
56 252
57 252
58 261

List of values

[0, 9, 9, 18, 18, 27, 27, 36, 36, 45, 45, 54, 54, 63, 63, 72, 72, 81, 81, 90, 90, 99, 99, 108, 108, 117, 117, 126, 126, 135, 135, 144, 144, 153, 153, 162, 162, 171, 171, 180, 180, 189, 189, 198, 198, 207, 207, 216, 216, 225, 225, 234, 234, 243, 243, 252, 252, 261]