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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.

A105446 Number of symbols in the Roman Fibonacci number representation of n.

Table of values

n a(n)
1 1
2 1
3 1
4 2
5 1
6 2
7 2
8 1
9 2
10 2
11 2
12 2
13 1
14 2
15 2
16 2
17 3
18 2
19 2
20 2
21 1
22 2
23 2
24 2
25 3
26 2
27 3
28 3
29 2
30 3
31 2
32 2
33 2
34 1
35 2
36 2
37 2
38 3
39 2
40 3
41 3
42 2
43 3
44 3
45 3
46 3
47 2
48 3
49 3
50 2
51 3
52 2
53 2
54 2
55 1
56 2
57 2
58 2
59 3
60 2
61 3
62 3
63 2
64 3
65 3
66 3
67 3
68 2
69 3
70 3
71 3
72 4
73 3
74 3
75 3
76 2
77 3
78 3
79 3
80 4

List of values

[1, 1, 1, 2, 1, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2, 3, 2, 2, 2, 1, 2, 2, 2, 3, 2, 3, 3, 2, 3, 2, 2, 2, 1, 2, 2, 2, 3, 2, 3, 3, 2, 3, 3, 3, 3, 2, 3, 3, 2, 3, 2, 2, 2, 1, 2, 2, 2, 3, 2, 3, 3, 2, 3, 3, 3, 3, 2, 3, 3, 3, 4, 3, 3, 3, 2, 3, 3, 3, 4]

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