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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.

A356194 a(n) is the smallest multiple of n whose prime factorization exponents are all powers of 2.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 16
9 9
10 10
11 11
12 12
13 13
14 14
15 15
16 16
17 17
18 18
19 19
20 20
21 21
22 22
23 23
24 48
25 25
26 26
27 81
28 28
29 29
30 30
31 31
32 256
33 33
34 34
35 35
36 36
37 37
38 38
39 39
40 80
41 41
42 42
43 43
44 44
45 45
46 46
47 47
48 48
49 49
50 50
51 51
52 52
53 53
54 162
55 55
56 112
57 57
58 58
59 59
60 60
61 61
62 62
63 63
64 256
65 65
66 66
67 67

List of values

[1, 2, 3, 4, 5, 6, 7, 16, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 48, 25, 26, 81, 28, 29, 30, 31, 256, 33, 34, 35, 36, 37, 38, 39, 80, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 162, 55, 112, 57, 58, 59, 60, 61, 62, 63, 256, 65, 66, 67]

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

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