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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.

A233138 Concatenated reversed shortest (x+1,2x)-codes for the positive integers.

Table of values

n a(n)
1 1
2 2
3 1
4 2
5 2
6 2
7 1
8 2
9 2
10 2
11 1
12 2
13 1
14 2
15 1
16 2
17 2
18 2
19 2
20 1
21 2
22 2
23 2
24 2
25 1
26 2
27 2
28 1
29 2
30 1
31 2
32 2
33 2
34 2
35 1
36 2
37 1
38 2
39 2
40 1
41 2
42 2
43 1
44 2
45 1
46 2
47 1
48 2
49 1
50 2
51 1
52 2
53 2
54 2
55 2
56 2
57 1
58 2
59 2
60 2
61 2
62 2
63 1
64 2
65 2
66 2
67 1
68 2
69 1
70 2
71 2
72 2
73 2
74 2
75 1
76 2
77 2
78 1
79 2
80 2
81 1
82 2
83 2
84 2
85 1
86 2

List of values

[1, 2, 1, 2, 2, 2, 1, 2, 2, 2, 1, 2, 1, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 1, 2, 1, 2, 2, 2, 2, 1, 2, 1, 2, 2, 1, 2, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 1, 2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 1, 2, 2, 1, 2, 2, 2, 1, 2]

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