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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.

A083794 Numbers k such that tau(k) is different from tau(k-1), where tau(m) = number of divisors of m.

Table of values

n a(n)
1 1
2 2
3 4
4 5
5 6
6 7
7 8
8 9
9 10
10 11
11 12
12 13
13 14
14 16
15 17
16 18
17 19
18 20
19 21
20 23
21 24
22 25
23 26
24 28
25 29
26 30
27 31
28 32
29 33
30 36
31 37
32 38
33 40
34 41
35 42
36 43
37 44
38 46
39 47
40 48
41 49
42 50
43 51
44 52
45 53
46 54
47 55
48 56
49 57
50 59
51 60
52 61
53 62
54 63
55 64
56 65
57 66
58 67
59 68
60 69
61 70
62 71
63 72
64 73
65 74
66 75
67 77
68 78
69 79
70 80
71 81
72 82

List of values

[1, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 28, 29, 30, 31, 32, 33, 36, 37, 38, 40, 41, 42, 43, 44, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 77, 78, 79, 80, 81, 82]

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