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.

A195019 Multiples of 3 and of 4 interleaved: a(2*n-1) = 3*n, a(2*n) = 4*n.

Table of values

n a(n)
1 3
2 4
3 6
4 8
5 9
6 12
7 12
8 16
9 15
10 20
11 18
12 24
13 21
14 28
15 24
16 32
17 27
18 36
19 30
20 40
21 33
22 44
23 36
24 48
25 39
26 52
27 42
28 56
29 45
30 60
31 48
32 64
33 51
34 68
35 54
36 72
37 57
38 76
39 60
40 80
41 63
42 84
43 66
44 88
45 69
46 92
47 72
48 96
49 75
50 100
51 78
52 104
53 81
54 108
55 84
56 112
57 87
58 116
59 90
60 120
61 93
62 124
63 96
64 128

List of values

[3, 4, 6, 8, 9, 12, 12, 16, 15, 20, 18, 24, 21, 28, 24, 32, 27, 36, 30, 40, 33, 44, 36, 48, 39, 52, 42, 56, 45, 60, 48, 64, 51, 68, 54, 72, 57, 76, 60, 80, 63, 84, 66, 88, 69, 92, 72, 96, 75, 100, 78, 104, 81, 108, 84, 112, 87, 116, 90, 120, 93, 124, 96, 128]