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.

A178064 Number of 0's in binary representation of n-th semiprime.

Table of values

n a(n)
1 2
2 1
3 2
4 2
5 1
6 0
7 2
8 2
9 2
10 2
11 4
12 4
13 3
14 3
15 2
16 2
17 3
18 2
19 1
20 2
21 2
22 1
23 5
24 4
25 4
26 3
27 4
28 3
29 3
30 2
31 2
32 2
33 2
34 1
35 3
36 1
37 2
38 2
39 1
40 2
41 2
42 1
43 6
44 5
45 5
46 4
47 4
48 3
49 5
50 5
51 3
52 3
53 2
54 5
55 4
56 4
57 4
58 4
59 2
60 3
61 2
62 5
63 4
64 4
65 3
66 3
67 3
68 4
69 3
70 3
71 2
72 3
73 3
74 2
75 2
76 4
77 2
78 2
79 1
80 2
81 1
82 1
83 6
84 6
85 6
86 5
87 6
88 5
89 3
90 6
91 5
92 4
93 5
94 4
95 4
96 4
97 3
98 5
99 4
100 4
101 2
102 6
103 5
104 5
105 4

List of values

[2, 1, 2, 2, 1, 0, 2, 2, 2, 2, 4, 4, 3, 3, 2, 2, 3, 2, 1, 2, 2, 1, 5, 4, 4, 3, 4, 3, 3, 2, 2, 2, 2, 1, 3, 1, 2, 2, 1, 2, 2, 1, 6, 5, 5, 4, 4, 3, 5, 5, 3, 3, 2, 5, 4, 4, 4, 4, 2, 3, 2, 5, 4, 4, 3, 3, 3, 4, 3, 3, 2, 3, 3, 2, 2, 4, 2, 2, 1, 2, 1, 1, 6, 6, 6, 5, 6, 5, 3, 6, 5, 4, 5, 4, 4, 4, 3, 5, 4, 4, 2, 6, 5, 5, 4]