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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.

A163233 Two-dimensional Binary Reflected Gray Code: a(i,j) = bits of binary expansion of A003188(i) interleaved with that of A003188(j).

Table of values

n a(n)
0 0
1 1
2 2
3 5
4 3
5 10
6 4
7 7
8 11
9 8
10 20
11 6
12 15
13 9
14 40
15 21
16 22
17 14
18 13
19 41
20 42
21 17
22 23
23 30
24 12
25 45
26 43
27 34
28 16
29 19
30 31
31 28
32 44
33 47
34 35
35 32
36 80
37 18
38 27
39 29
40 60
41 46
42 39
43 33
44 160
45 81
46 82
47 26
48 25
49 61
50 62
51 38
52 37
53 161
54 162
55 85
56 83
57 90
58 24
59 57
60 63
61 54
62 36
63 165
64 163
65 170
66 84
67 87
68 91

List of values

[0, 1, 2, 5, 3, 10, 4, 7, 11, 8, 20, 6, 15, 9, 40, 21, 22, 14, 13, 41, 42, 17, 23, 30, 12, 45, 43, 34, 16, 19, 31, 28, 44, 47, 35, 32, 80, 18, 27, 29, 60, 46, 39, 33, 160, 81, 82, 26, 25, 61, 62, 38, 37, 161, 162, 85, 83, 90, 24, 57, 63, 54, 36, 165, 163, 170, 84, 87, 91]

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

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