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.

A361471 Size of the symmetric difference of {1,2,3,4}, {2,4,6,8}, ..., {n,2n,3n,4n}.

Table of values

n a(n)
1 4
2 4
3 4
4 4
5 8
6 12
7 16
8 16
9 16
10 16
11 20
12 20
13 24
14 24
15 24
16 24
17 28
18 32
19 36
20 36
21 36
22 36
23 40
24 40
25 44
26 44
27 44
28 44
29 48
30 52
31 56
32 56
33 56
34 56
35 60
36 60
37 64
38 64
39 64
40 64
41 68
42 72
43 76
44 76
45 76
46 76
47 80
48 80
49 84
50 84
51 84
52 84
53 88
54 92
55 96
56 96
57 96
58 96
59 100
60 100
61 104
62 104
63 104
64 104
65 108

List of values

[4, 4, 4, 4, 8, 12, 16, 16, 16, 16, 20, 20, 24, 24, 24, 24, 28, 32, 36, 36, 36, 36, 40, 40, 44, 44, 44, 44, 48, 52, 56, 56, 56, 56, 60, 60, 64, 64, 64, 64, 68, 72, 76, 76, 76, 76, 80, 80, 84, 84, 84, 84, 88, 92, 96, 96, 96, 96, 100, 100, 104, 104, 104, 104, 108]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.