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.

A247891 a(n) is Gray-coded in base 4 into n.

Table of values

n a(n)
0 0
1 1
2 2
3 3
4 5
5 6
6 7
7 4
8 10
9 11
10 8
11 9
12 15
13 12
14 13
15 14
16 21
17 22
18 23
19 20
20 26
21 27
22 24
23 25
24 31
25 28
26 29
27 30
28 16
29 17
30 18
31 19
32 42
33 43
34 40
35 41
36 47
37 44
38 45
39 46
40 32
41 33
42 34
43 35
44 37
45 38
46 39
47 36
48 63
49 60
50 61
51 62
52 48
53 49
54 50
55 51
56 53
57 54
58 55
59 52
60 58
61 59
62 56
63 57
64 85
65 86
66 87
67 84
68 90

List of values

[0, 1, 2, 3, 5, 6, 7, 4, 10, 11, 8, 9, 15, 12, 13, 14, 21, 22, 23, 20, 26, 27, 24, 25, 31, 28, 29, 30, 16, 17, 18, 19, 42, 43, 40, 41, 47, 44, 45, 46, 32, 33, 34, 35, 37, 38, 39, 36, 63, 60, 61, 62, 48, 49, 50, 51, 53, 54, 55, 52, 58, 59, 56, 57, 85, 86, 87, 84, 90]

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

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