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.

A278220 Filtering sequence (related to prime factorization): a(n) = A046523(A241909(n)).

Table of values

n a(n)
1 1
2 2
3 4
4 2
5 8
6 4
7 16
8 2
9 6
10 8
11 32
12 4
13 64
14 16
15 12
16 2
17 128
18 6
19 256
20 8
21 24
22 32
23 512
24 4
25 12
26 64
27 6
28 16
29 1024
30 12
31 2048
32 2
33 48
34 128
35 36
36 6
37 4096
38 256
39 96
40 8
41 8192
42 24
43 16384
44 32
45 12
46 512
47 32768
48 4
49 24
50 12
51 192
52 64
53 65536
54 6
55 72
56 16
57 384
58 1024
59 131072
60 12
61 262144
62 2048
63 24
64 2
65 144
66 48
67 524288
68 128
69 768
70 36
71 1048576
72 6
73 2097152
74 4096
75 30
76 256
77 72
78 96
79 4194304
80 8
81 6
82 8192

List of values

[1, 2, 4, 2, 8, 4, 16, 2, 6, 8, 32, 4, 64, 16, 12, 2, 128, 6, 256, 8, 24, 32, 512, 4, 12, 64, 6, 16, 1024, 12, 2048, 2, 48, 128, 36, 6, 4096, 256, 96, 8, 8192, 24, 16384, 32, 12, 512, 32768, 4, 24, 12, 192, 64, 65536, 6, 72, 16, 384, 1024, 131072, 12, 262144, 2048, 24, 2, 144, 48, 524288, 128, 768, 36, 1048576, 6, 2097152, 4096, 30, 256, 72, 96, 4194304, 8, 6, 8192]