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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.

A277695 Permutation of natural numbers: a(1) = 1; for n > 1, if A277815(n) = 0, a(n) = 2*a(A277814(n)-1), otherwise a(n) = 1 + 2*a(A277815(n)).

Table of values

n a(n)
1 1
2 2
3 4
4 8
5 3
6 16
7 6
8 32
9 12
10 5
11 13
12 64
13 7
14 24
15 10
16 26
17 128
18 14
19 27
20 17
21 25
22 49
23 48
24 20
25 257
26 11
27 21
28 52
29 15
30 256
31 28
32 54
33 34
34 50
35 55
36 98
37 515
38 99
39 9
40 65
41 31
42 29
43 97
44 105
45 51
46 96
47 40
48 514
49 22
50 101
51 43
52 35
53 1031
54 513
55 81
56 42
57 69
58 23
59 57
60 104
61 63
62 30
63 512
64 56
65 108
66 68
67 111
68 100
69 139
70 199
71 163
72 110
73 196
74 203
75 19
76 211
77 2063
78 33
79 195
80 53
81 1030
82 47

List of values

[1, 2, 4, 8, 3, 16, 6, 32, 12, 5, 13, 64, 7, 24, 10, 26, 128, 14, 27, 17, 25, 49, 48, 20, 257, 11, 21, 52, 15, 256, 28, 54, 34, 50, 55, 98, 515, 99, 9, 65, 31, 29, 97, 105, 51, 96, 40, 514, 22, 101, 43, 35, 1031, 513, 81, 42, 69, 23, 57, 104, 63, 30, 512, 56, 108, 68, 111, 100, 139, 199, 163, 110, 196, 203, 19, 211, 2063, 33, 195, 53, 1030, 47]

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