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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.

A256696 R(k), the minimal alternating binary representation of k, concatenated for k = 0, 1, 2,....

Table of values

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

List of values

[0, 1, 2, 4, -1, 4, 8, -4, 1, 8, -2, 8, -1, 8, 16, -8, 1, 16, -8, 2, 16, -8, 4, -1, 16, -4, 16, -4, 1, 16, -2, 16, -1, 16, 32, -16, 1, 32, -16, 2, 32, -16, 4, -1, 32, -16, 4, 32, -16, 8, -4, 1, 32, -16, 8, -2, 32, -16, 8, -1, 32, -8, 32, -8, 1, 32, -8, 2, 32]

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