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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.

A384877 Irregular triangle read by rows where row k lists the lengths of maximal anti-runs (increasing by more than 1) in the binary indices of n.

Table of values

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

List of values

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

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