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.

A168410 a(n) = 3 + 9*floor(n/2).

Table of values

n a(n)
1 3
2 12
3 12
4 21
5 21
6 30
7 30
8 39
9 39
10 48
11 48
12 57
13 57
14 66
15 66
16 75
17 75
18 84
19 84
20 93
21 93
22 102
23 102
24 111
25 111
26 120
27 120
28 129
29 129
30 138
31 138
32 147
33 147
34 156
35 156
36 165
37 165
38 174
39 174
40 183
41 183
42 192
43 192
44 201
45 201
46 210
47 210
48 219
49 219
50 228
51 228
52 237
53 237
54 246
55 246
56 255
57 255

List of values

[3, 12, 12, 21, 21, 30, 30, 39, 39, 48, 48, 57, 57, 66, 66, 75, 75, 84, 84, 93, 93, 102, 102, 111, 111, 120, 120, 129, 129, 138, 138, 147, 147, 156, 156, 165, 165, 174, 174, 183, 183, 192, 192, 201, 201, 210, 210, 219, 219, 228, 228, 237, 237, 246, 246, 255, 255]