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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.

A071820 Kolakoski-(2,3) sequence: a(n) is length of n-th run.

Table of values

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

List of values

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

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