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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.

A090093 a(n) is the smallest composite number coprime to n, n+1, n+2, n+3.

Table of values

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

List of values

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

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

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