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.

A178065 Number of 1's in binary representation of n-th semiprime.

Table of values

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

List of values

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