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.

A361458 Size of the symmetric difference of {1,2,3}, {2,4,6}, ..., {n,2n,3n}.

Table of values

n a(n)
1 3
2 4
3 3
4 4
5 7
6 8
7 11
8 12
9 11
10 12
11 15
12 16
13 19
14 20
15 19
16 20
17 23
18 24
19 27
20 28
21 27
22 28
23 31
24 32
25 35
26 36
27 35
28 36
29 39
30 40
31 43
32 44
33 43
34 44
35 47
36 48
37 51
38 52
39 51
40 52
41 55
42 56
43 59
44 60
45 59
46 60
47 63
48 64
49 67
50 68
51 67
52 68
53 71
54 72
55 75
56 76
57 75
58 76
59 79
60 80
61 83
62 84
63 83
64 84
65 87
66 88
67 91

List of values

[3, 4, 3, 4, 7, 8, 11, 12, 11, 12, 15, 16, 19, 20, 19, 20, 23, 24, 27, 28, 27, 28, 31, 32, 35, 36, 35, 36, 39, 40, 43, 44, 43, 44, 47, 48, 51, 52, 51, 52, 55, 56, 59, 60, 59, 60, 63, 64, 67, 68, 67, 68, 71, 72, 75, 76, 75, 76, 79, 80, 83, 84, 83, 84, 87, 88, 91]

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

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