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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.

A248663 Binary encoding of the prime factors of the squarefree part of n.

Table of values

n a(n)
1 0
2 1
3 2
4 0
5 4
6 3
7 8
8 1
9 0
10 5
11 16
12 2
13 32
14 9
15 6
16 0
17 64
18 1
19 128
20 4
21 10
22 17
23 256
24 3
25 0
26 33
27 2
28 8
29 512
30 7
31 1024
32 1
33 18
34 65
35 12
36 0
37 2048
38 129
39 34
40 5
41 4096
42 11
43 8192
44 16
45 4
46 257
47 16384
48 2
49 0
50 1
51 66
52 32
53 32768
54 3
55 20
56 9
57 130
58 513
59 65536
60 6
61 131072
62 1025
63 8
64 0
65 36
66 19

List of values

[0, 1, 2, 0, 4, 3, 8, 1, 0, 5, 16, 2, 32, 9, 6, 0, 64, 1, 128, 4, 10, 17, 256, 3, 0, 33, 2, 8, 512, 7, 1024, 1, 18, 65, 12, 0, 2048, 129, 34, 5, 4096, 11, 8192, 16, 4, 257, 16384, 2, 0, 1, 66, 32, 32768, 3, 20, 9, 130, 513, 65536, 6, 131072, 1025, 8, 0, 36, 19]