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.

A063450 Numbers k such that d(k+1) < 2*d(k), where d() is the number of divisors function A000005.

Table of values

n a(n)
1 2
2 3
3 4
4 6
5 8
6 9
7 10
8 12
9 14
10 15
11 16
12 18
13 20
14 21
15 22
16 24
17 25
18 26
19 27
20 28
21 30
22 32
23 33
24 34
25 36
26 38
27 40
28 42
29 44
30 45
31 46
32 48
33 50
34 51
35 52
36 54
37 56
38 57
39 58
40 60
41 62
42 63
43 64
44 66
45 68
46 70
47 72
48 74
49 75
50 76
51 78
52 80
53 81
54 82
55 84
56 85
57 86
58 88
59 90
60 91
61 92
62 93
63 94
64 96
65 98
66 99
67 100
68 102
69 104
70 105

List of values

[2, 3, 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 36, 38, 40, 42, 44, 45, 46, 48, 50, 51, 52, 54, 56, 57, 58, 60, 62, 63, 64, 66, 68, 70, 72, 74, 75, 76, 78, 80, 81, 82, 84, 85, 86, 88, 90, 91, 92, 93, 94, 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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