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.

A080412 Exchange rightmost two binary digits of n > 1; a(0)=0, a(1)=2.

Table of values

n a(n)
0 0
1 2
2 1
3 3
4 4
5 6
6 5
7 7
8 8
9 10
10 9
11 11
12 12
13 14
14 13
15 15
16 16
17 18
18 17
19 19
20 20
21 22
22 21
23 23
24 24
25 26
26 25
27 27
28 28
29 30
30 29
31 31
32 32
33 34
34 33
35 35
36 36
37 38
38 37
39 39
40 40
41 42
42 41
43 43
44 44
45 46
46 45
47 47
48 48
49 50
50 49
51 51
52 52
53 54
54 53
55 55
56 56
57 58
58 57
59 59
60 60
61 62
62 61
63 63
64 64
65 66
66 65
67 67
68 68
69 70
70 69
71 71
72 72

List of values

[0, 2, 1, 3, 4, 6, 5, 7, 8, 10, 9, 11, 12, 14, 13, 15, 16, 18, 17, 19, 20, 22, 21, 23, 24, 26, 25, 27, 28, 30, 29, 31, 32, 34, 33, 35, 36, 38, 37, 39, 40, 42, 41, 43, 44, 46, 45, 47, 48, 50, 49, 51, 52, 54, 53, 55, 56, 58, 57, 59, 60, 62, 61, 63, 64, 66, 65, 67, 68, 70, 69, 71, 72]

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

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