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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.

A090092 a(n) is the smallest composite number coprime to n, n+1 and n+2.

Table of values

n a(n)
1 25
2 25
3 49
4 49
5 121
6 25
7 25
8 49
9 49
10 49
11 25
12 25
13 121
14 121
15 49
16 25
17 25
18 49
19 121
20 169
21 25
22 25
23 49
24 49
25 49
26 25
27 25
28 121
29 49
30 49
31 25
32 25
33 169
34 121
35 121
36 25
37 25
38 49
39 49
40 121
41 25
42 25
43 49
44 49
45 49
46 25
47 25
48 121
49 121
50 49
51 25
52 25
53 49
54 169
55 169
56 25
57 25
58 49
59 49
60 49
61 25
62 25
63 121
64 49
65 49
66 25

List of values

[25, 25, 49, 49, 121, 25, 25, 49, 49, 49, 25, 25, 121, 121, 49, 25, 25, 49, 121, 169, 25, 25, 49, 49, 49, 25, 25, 121, 49, 49, 25, 25, 169, 121, 121, 25, 25, 49, 49, 121, 25, 25, 49, 49, 49, 25, 25, 121, 121, 49, 25, 25, 49, 169, 169, 25, 25, 49, 49, 49, 25, 25, 121, 49, 49, 25]

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

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