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.

A090334 Numbers with at least one divisor >1 that is a prefix of another divisor in binary representation.

Table of values

n a(n)
1 4
2 6
3 8
4 10
5 12
6 14
7 15
8 16
9 18
10 20
11 21
12 22
13 24
14 26
15 27
16 28
17 30
18 32
19 34
20 36
21 38
22 39
23 40
24 42
25 44
26 45
27 46
28 48
29 50
30 51
31 52
32 54
33 55
34 56
35 57
36 58
37 60
38 62
39 63
40 64
41 66
42 68
43 70
44 72
45 74
46 75
47 76
48 78
49 80
50 81
51 82
52 84
53 85
54 86
55 87
56 88
57 90
58 92
59 93
60 94
61 95
62 96
63 98
64 99
65 100
66 102
67 104
68 105

List of values

[4, 6, 8, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 26, 27, 28, 30, 32, 34, 36, 38, 39, 40, 42, 44, 45, 46, 48, 50, 51, 52, 54, 55, 56, 57, 58, 60, 62, 63, 64, 66, 68, 70, 72, 74, 75, 76, 78, 80, 81, 82, 84, 85, 86, 87, 88, 90, 92, 93, 94, 95, 96, 98, 99, 100, 102, 104, 105]

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

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