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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.

A269349 Kolakoski-(1,7) sequence: a(n) is length of n-th run.

Table of values

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

List of values

[1, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 7, 7, 7, 7, 7, 7, 7, 1, 7, 1, 7, 1, 7, 1, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 7, 7]

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