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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.

A291357 The arithmetic function u(n,2,3).

Table of values

n a(n)
1 4
2 2
3 3
4 2
5 4
6 2
7 4
8 2
9 3
10 2
11 4
12 2
13 4
14 2
15 3
16 2
17 4
18 2
19 4
20 2
21 3
22 2
23 4
24 2
25 4
26 2
27 3
28 2
29 4
30 2
31 4
32 2
33 3
34 2
35 4
36 2
37 4
38 2
39 3
40 2
41 4
42 2
43 4
44 2
45 3
46 2
47 4
48 2
49 4
50 2
51 3
52 2
53 4
54 2
55 4
56 2
57 3
58 2
59 4
60 2
61 4
62 2
63 3
64 2
65 4
66 2
67 4
68 2
69 3
70 2
71 4
72 2
73 4
74 2
75 3
76 2
77 4
78 2
79 4
80 2
81 3
82 2
83 4
84 2
85 4
86 2
87 3
88 2
89 4
90 2
91 4
92 2
93 3
94 2
95 4
96 2
97 4
98 2
99 3
100 2
101 4
102 2
103 4
104 2
105 3

List of values

[4, 2, 3, 2, 4, 2, 4, 2, 3, 2, 4, 2, 4, 2, 3, 2, 4, 2, 4, 2, 3, 2, 4, 2, 4, 2, 3, 2, 4, 2, 4, 2, 3, 2, 4, 2, 4, 2, 3, 2, 4, 2, 4, 2, 3, 2, 4, 2, 4, 2, 3, 2, 4, 2, 4, 2, 3, 2, 4, 2, 4, 2, 3, 2, 4, 2, 4, 2, 3, 2, 4, 2, 4, 2, 3, 2, 4, 2, 4, 2, 3, 2, 4, 2, 4, 2, 3, 2, 4, 2, 4, 2, 3, 2, 4, 2, 4, 2, 3, 2, 4, 2, 4, 2, 3]

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