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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.

A307313 a(n) is the denominator of n/2^(length of the binary representation of n).

Table of values

n a(n)
1 2
2 2
3 4
4 2
5 8
6 4
7 8
8 2
9 16
10 8
11 16
12 4
13 16
14 8
15 16
16 2
17 32
18 16
19 32
20 8
21 32
22 16
23 32
24 4
25 32
26 16
27 32
28 8
29 32
30 16
31 32
32 2
33 64
34 32
35 64
36 16
37 64
38 32
39 64
40 8
41 64
42 32
43 64
44 16
45 64
46 32
47 64
48 4
49 64
50 32
51 64
52 16
53 64
54 32
55 64
56 8
57 64
58 32
59 64
60 16
61 64
62 32
63 64
64 2
65 128
66 64
67 128
68 32
69 128
70 64

List of values

[2, 2, 4, 2, 8, 4, 8, 2, 16, 8, 16, 4, 16, 8, 16, 2, 32, 16, 32, 8, 32, 16, 32, 4, 32, 16, 32, 8, 32, 16, 32, 2, 64, 32, 64, 16, 64, 32, 64, 8, 64, 32, 64, 16, 64, 32, 64, 4, 64, 32, 64, 16, 64, 32, 64, 8, 64, 32, 64, 16, 64, 32, 64, 2, 128, 64, 128, 32, 128, 64]

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

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