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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.

A093048 a(n) = n minus exponent of 2 in n, with a(0) = 0.

Table of values

n a(n)
0 0
1 1
2 1
3 3
4 2
5 5
6 5
7 7
8 5
9 9
10 9
11 11
12 10
13 13
14 13
15 15
16 12
17 17
18 17
19 19
20 18
21 21
22 21
23 23
24 21
25 25
26 25
27 27
28 26
29 29
30 29
31 31
32 27
33 33
34 33
35 35
36 34
37 37
38 37
39 39
40 37
41 41
42 41
43 43
44 42
45 45
46 45
47 47
48 44
49 49
50 49
51 51
52 50
53 53
54 53
55 55
56 53
57 57
58 57
59 59
60 58
61 61
62 61
63 63
64 58
65 65
66 65
67 67
68 66
69 69

List of values

[0, 1, 1, 3, 2, 5, 5, 7, 5, 9, 9, 11, 10, 13, 13, 15, 12, 17, 17, 19, 18, 21, 21, 23, 21, 25, 25, 27, 26, 29, 29, 31, 27, 33, 33, 35, 34, 37, 37, 39, 37, 41, 41, 43, 42, 45, 45, 47, 44, 49, 49, 51, 50, 53, 53, 55, 53, 57, 57, 59, 58, 61, 61, 63, 58, 65, 65, 67, 66, 69]

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

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