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.

A079890 Least number > n having one more prime factor than n, not necessarily distinct.

Table of values

n a(n)
1 2
2 4
3 4
4 8
5 6
6 8
7 9
8 16
9 12
10 12
11 14
12 16
13 14
14 18
15 18
16 32
17 21
18 24
19 21
20 24
21 27
22 27
23 25
24 32
25 27
26 27
27 36
28 36
29 33
30 36
31 33
32 64
33 42
34 42
35 42
36 48
37 38
38 42
39 42
40 48
41 46
42 54
43 46
44 54
45 54
46 50
47 49
48 64
49 50
50 54
51 52
52 54
53 55
54 72
55 63
56 72
57 63
58 63
59 62
60 72
61 62
62 63
63 81
64 128
65 66
66 81
67 69
68 81
69 70
70 81
71 74
72 96

List of values

[2, 4, 4, 8, 6, 8, 9, 16, 12, 12, 14, 16, 14, 18, 18, 32, 21, 24, 21, 24, 27, 27, 25, 32, 27, 27, 36, 36, 33, 36, 33, 64, 42, 42, 42, 48, 38, 42, 42, 48, 46, 54, 46, 54, 54, 50, 49, 64, 50, 54, 52, 54, 55, 72, 63, 72, 63, 63, 62, 72, 62, 63, 81, 128, 66, 81, 69, 81, 70, 81, 74, 96]

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

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