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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.

A059991 a(n) = 2^(n-2^ord_2(n)) (or 2^(n-A006519(n))).

Table of values

n a(n)
1 1
2 1
3 4
4 1
5 16
6 16
7 64
8 1
9 256
10 256
11 1024
12 256
13 4096
14 4096
15 16384
16 1
17 65536
18 65536
19 262144
20 65536
21 1048576
22 1048576
23 4194304
24 65536
25 16777216
26 16777216
27 67108864
28 16777216
29 268435456
30 268435456
31 1073741824
32 1
33 4294967296
34 4294967296

List of values

[1, 1, 4, 1, 16, 16, 64, 1, 256, 256, 1024, 256, 4096, 4096, 16384, 1, 65536, 65536, 262144, 65536, 1048576, 1048576, 4194304, 65536, 16777216, 16777216, 67108864, 16777216, 268435456, 268435456, 1073741824, 1, 4294967296, 4294967296]

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

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