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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.

A269167 Permutation of natural numbers: a(1) = 1, a(A269160(n)) = 2*a(n), a(A269164(n+1)) = 1+(2*a(n)).

Table of values

n a(n)
1 1
2 3
3 7
4 15
5 31
6 63
7 2
8 127
9 5
10 255
11 11
12 511
13 14
14 6
15 23
16 1023
17 29
18 13
19 47
20 2047
21 59
22 27
23 95
24 4095
25 4
26 126
27 62
28 30
29 119
30 55
31 191
32 8191
33 9
34 253
35 125
36 61
37 239
38 111
39 383
40 16383
41 19
42 507
43 251
44 123
45 479
46 223
47 767
48 32767
49 46
50 12
51 28
52 1022
53 22
54 510
55 39
56 254
57 1015
58 503
59 247
60 959
61 447
62 1535
63 10
64 65535
65 93
66 25
67 57
68 2045
69 45

List of values

[1, 3, 7, 15, 31, 63, 2, 127, 5, 255, 11, 511, 14, 6, 23, 1023, 29, 13, 47, 2047, 59, 27, 95, 4095, 4, 126, 62, 30, 119, 55, 191, 8191, 9, 253, 125, 61, 239, 111, 383, 16383, 19, 507, 251, 123, 479, 223, 767, 32767, 46, 12, 28, 1022, 22, 510, 39, 254, 1015, 503, 247, 959, 447, 1535, 10, 65535, 93, 25, 57, 2045, 45]

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

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