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.

A278221 Filtering sequence (related to prime factorization): a(n) = A046523(A122111(n)).

Table of values

n a(n)
1 1
2 2
3 4
4 2
5 8
6 6
7 16
8 2
9 4
10 12
11 32
12 6
13 64
14 24
15 12
16 2
17 128
18 6
19 256
20 12
21 36
22 48
23 512
24 6
25 8
26 96
27 4
28 24
29 1024
30 30
31 2048
32 2
33 72
34 192
35 24
36 6
37 4096
38 384
39 144
40 12
41 8192
42 60
43 16384
44 48
45 12
46 768
47 32768
48 6
49 16
50 12
51 288
52 96
53 65536
54 6
55 72
56 24
57 576
58 1536
59 131072
60 30
61 262144
62 3072
63 36
64 2
65 216
66 120
67 524288
68 192
69 1152
70 60
71 1048576
72 6
73 2097152
74 6144
75 12
76 384
77 48
78 240
79 4194304
80 12
81 4

List of values

[1, 2, 4, 2, 8, 6, 16, 2, 4, 12, 32, 6, 64, 24, 12, 2, 128, 6, 256, 12, 36, 48, 512, 6, 8, 96, 4, 24, 1024, 30, 2048, 2, 72, 192, 24, 6, 4096, 384, 144, 12, 8192, 60, 16384, 48, 12, 768, 32768, 6, 16, 12, 288, 96, 65536, 6, 72, 24, 576, 1536, 131072, 30, 262144, 3072, 36, 2, 216, 120, 524288, 192, 1152, 60, 1048576, 6, 2097152, 6144, 12, 384, 48, 240, 4194304, 12, 4]