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.

A122985 Smallest composite number greater than n, relatively prime to n, such that a(n)-n is also composite.

Table of values

n a(n)
1 9
2 27
3 25
4 25
5 9
6 55
7 15
8 33
9 25
10 49
11 15
12 77
13 21
14 39
15 49
16 25
17 21
18 95
19 25
20 69
21 25
22 49
23 27
24 49
25 33
26 35
27 35
28 55
29 33
30 121
31 35
32 57
33 49
34 49
35 39
36 85
37 45
38 63
39 49
40 49
41 45
42 185
43 49
44 65
45 49
46 55
47 51
48 125
49 55
50 77
51 55
52 77
53 57
54 119
55 63
56 65
57 65
58 85
59 63
60 203
61 65
62 77
63 85
64 85
65 69
66 91
67 75
68 77
69 77

List of values

[9, 27, 25, 25, 9, 55, 15, 33, 25, 49, 15, 77, 21, 39, 49, 25, 21, 95, 25, 69, 25, 49, 27, 49, 33, 35, 35, 55, 33, 121, 35, 57, 49, 49, 39, 85, 45, 63, 49, 49, 45, 185, 49, 65, 49, 55, 51, 125, 55, 77, 55, 77, 57, 119, 63, 65, 65, 85, 63, 203, 65, 77, 85, 85, 69, 91, 75, 77, 77]

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

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