cp's OEIS Frontend

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.

A372433 Binary weight (number of ones in binary expansion) of the n-th squarefree number.

Table of values

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

List of values

[1, 1, 2, 2, 2, 3, 2, 3, 3, 3, 4, 2, 3, 3, 3, 4, 3, 4, 4, 5, 2, 2, 3, 3, 3, 4, 3, 3, 4, 4, 5, 4, 4, 5, 4, 4, 5, 5, 5, 2, 2, 3, 3, 3, 4, 3, 3, 4, 4, 5, 3, 4, 4, 4, 5, 4, 5, 5, 5, 6, 3, 4, 4, 5, 4, 4, 5, 5, 5, 6, 4, 4, 5, 5, 6, 5, 6, 7, 2, 2, 3, 3, 3, 3, 3, 4, 4]