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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.

A369174 Irregular triangle read by rows: row n lists the number of U characters for each of the distinct derivable strings in the MIU formal system that are n characters long.

Table of values

n a(n)
2 0
3 1
4 1
5 0
6 2
7 2
8 1
9 2
10 1
11 1
12 3
13 3
14 2
15 3
16 2
17 2
18 3
19 2
20 2
21 2
22 0
23 4
24 4
25 3
26 4
27 3
28 3
29 4
30 3
31 3
32 3
33 1
34 4
35 3
36 3
37 3
38 1
39 3
40 1
41 1
42 1
43 0
44 5
45 5
46 4
47 5
48 4
49 4
50 5
51 4
52 4
53 4
54 2
55 5
56 4
57 4
58 4
59 2
60 4
61 2
62 2
63 2
64 1
65 5
66 4
67 4
68 4
69 2
70 4
71 2
72 2
73 2
74 1
75 4
76 2
77 2
78 2
79 1
80 2
81 2
82 1
83 2
84 1
85 1

List of values

[0, 1, 1, 0, 2, 2, 1, 2, 1, 1, 3, 3, 2, 3, 2, 2, 3, 2, 2, 2, 0, 4, 4, 3, 4, 3, 3, 4, 3, 3, 3, 1, 4, 3, 3, 3, 1, 3, 1, 1, 1, 0, 5, 5, 4, 5, 4, 4, 5, 4, 4, 4, 2, 5, 4, 4, 4, 2, 4, 2, 2, 2, 1, 5, 4, 4, 4, 2, 4, 2, 2, 2, 1, 4, 2, 2, 2, 1, 2, 2, 1, 2, 1, 1]

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