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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.

A297032 Number of pieces in the list d(m), d(m-1), ..., d(0) of base-4 digits of n; see Comments.

Table of values

n a(n)
1 0
2 0
3 0
4 1
5 1
6 1
7 1
8 1
9 1
10 1
11 1
12 1
13 1
14 1
15 1
16 2
17 2
18 2
19 2
20 2
21 1
22 2
23 2
24 2
25 2
26 2
27 1
28 2
29 2
30 2
31 2
32 2
33 2
34 2
35 2
36 1
37 2
38 2
39 2
40 2
41 2
42 1
43 2
44 2
45 2
46 2
47 2
48 2
49 2
50 2
51 2
52 1
53 2
54 2
55 2
56 1
57 1
58 2
59 2
60 2
61 2
62 2
63 1
64 2
65 3
66 3
67 3
68 3
69 3
70 2
71 2
72 3
73 3
74 3
75 2
76 3
77 3
78 3
79 3
80 3
81 3
82 3
83 3
84 2
85 1
86 2

List of values

[0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 1, 2, 3, 3, 3, 3, 3, 2, 2, 3, 3, 3, 2, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 2]

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