cp's OEIS Frontend

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.

A087207 A binary representation of the primes that divide a number, shown in decimal.

Table of values

n a(n)
1 0
2 1
3 2
4 1
5 4
6 3
7 8
8 1
9 2
10 5
11 16
12 3
13 32
14 9
15 6
16 1
17 64
18 3
19 128
20 5
21 10
22 17
23 256
24 3
25 4
26 33
27 2
28 9
29 512
30 7
31 1024
32 1
33 18
34 65
35 12
36 3
37 2048
38 129
39 34
40 5
41 4096
42 11
43 8192
44 17
45 6
46 257
47 16384
48 3
49 8
50 5
51 66
52 33
53 32768
54 3
55 20
56 9
57 130
58 513
59 65536
60 7
61 131072
62 1025
63 10
64 1
65 36
66 19
67 262144
68 65
69 258

List of values

[0, 1, 2, 1, 4, 3, 8, 1, 2, 5, 16, 3, 32, 9, 6, 1, 64, 3, 128, 5, 10, 17, 256, 3, 4, 33, 2, 9, 512, 7, 1024, 1, 18, 65, 12, 3, 2048, 129, 34, 5, 4096, 11, 8192, 17, 6, 257, 16384, 3, 8, 5, 66, 33, 32768, 3, 20, 9, 130, 513, 65536, 7, 131072, 1025, 10, 1, 36, 19, 262144, 65, 258]